Diary Entries in English

Recent diary entries

Fun with Google Tilt on Satellite Photos

Posted by alexkemp on 20 May 2017 in English (English)

We cannot (unfortunately) use Google Satellite to directly help us sketch buildings. I've spent the past 14 months using Bing (and now a week occasionally using DigitalGlobe) under JOSM to draw the outline of houses throughout Nottingham NG3/NG4. In my neck of the woods, DigitalGlobe is much newer, whilst Bing is less blurry, but Google normally knocks them both into a cocked hat, being both very new & as sharp as a pin (wistful sigh).

SomeoneElse showed me Google-3D — on a laptop/desktop hold down the <Ctrl> key whilst you use the mouse to move the satellite view & you will get 3D rather than 2D (I believe that this is accomplished using the 45° Imagery). I now use this imagery to re-walk the path that I took on my earlier survey + check the backs, etc. of the houses for all the bits that I could not see from the street when making the original survey.

In the past various MPGs have reacted with fury to me taking photographs in their vicinity (and have even tried to cause me serious injury), and there is a link between the location of these characters & missing sections of StreetView. I also know from many, many conversations just how common the irritation/anger is over Google's street photography amongst Nottingham householders. This next bit will possibly cause their heads to explode.

In ordinary circumstances, pressing the + key on the Google Satellite view will eventually switch from overhead-satellite to StreetView (if it exists), and that change occurs in spite of the 2D/3D setting. I've discovered how to get closer without switching. Astonishingly close.

My latest survey has been within Regency Heights north of Gedling Country Park. On a handful of occasions, whilst flying around those streets using Google Satellite view just above the switchover level, I've done something that has caused my 3D view to expand enormously. The 45° Imagery page speaks of “high-resolution imagery ... for certain locations”. I do not know how to switch up using the mouse, but this is how to do it via the URL.

The following links are all of Thurlestone Drive, Mapperley, and steadily get closer. Notice that the only parameter changing is the a (amplitude?). I'm also pretty sure that the t parameter is the angle:–,-1.0999802,253a,35y,144.57h,45t/data=!3m1!1e3,-1.0999802,127a,35y,144.57h,45t/data=!3m1!1e3,-1.0999802,61a,35y,144.57h,45t/data=!3m1!1e3,-1.0999802,51a,35y,144.57h,45t/data=!3m1!1e3,-1.0999802,47a,35y,144.57h,45t/data=!3m1!1e3,-1.0999802,38a,35y,144.57h,45t/data=!3m1!1e3,-1.0999802,33a,35y,144.57h,45t/data=!3m1!1e3

I thought at first that there may be ‘magic’ values for a, but in fact it is continuously adjustable. However, it is possible to choose certain combos (of all parameters) where the result is a black image (no such tile?) or the sky. I think that you will agree that the closest results are astonishing.

Location: Arnold and Carlton, Gedling, Nottinghamshire, East Midlands, England, United Kingdom

Routing with OSRM

Posted by OpenBrian on 19 May 2017 in English (English)

Setting up OSRM is very easy because it's using Docker. Here are the steps to take to set up your own router. You can run this locally or on a server. To see this in action check out

OSRM on MappingDC

  1. Install Docker on your machine according to instructions for your operating system.
  2. Download a PBF file for your city from the Mapzen Metro Extracts ( If there is none, sign up and request a new one be built.
  3. Run the backend docker commands from here This takes about 30 minutes as it precomputes some data.
  4. Run the frontend docker commands from here Start the front end with the -e option that specifies the URL to your backend, e.g. http://myhost/osrm-router/
  5. Open ports on your firewall, or set up a proxy in Apache like this:

    # Frontend
    ProxyPass /osrm
    ProxyPassReverse /osrm
    # Backend
    ProxyPass /osrm-router/
    ProxyPassReverse /osrm-router/
  6. Visit http://myhost/osrm-router/

Location: Mount Vernon, Alexandria, Alexandria City, Virginia, 22305, United States of America

Computing for the future of the planet: the digital commons

Posted by mcld on 19 May 2017 in English (English)

Cross posted from

On Wednesday we had a "flagship seminar" from Prof Andy Hopper on Computing for the future of the planet. How can computing help in the quest for sustainability of the planet and humanity?

Lots of food for thought in the talk. I was surprised to come out with a completely different take-home message than I'd expected - and a different take-home message than I think the speaker had in mind too. I'll come back to that in a second.

Some of the themes he discussed:

  • Green computing. This is pretty familiar: how can computing be less wasteful? Low-energy systems, improving the efficiency of computer chips, that kind of thing. A good recent example is how DeepMind used machine learning to reduce the cooling requirements of a Google data centre by 40%. 40% reductions are really rare. Hopper also have a nice example of "free lunch" computing - the idea is that energy is going unused somewhere out there in the world (a remote patch of the sea, for example) so if you stick a renewable energy generator and a server farm there, you essentially get your computation done at no resource cost.
  • Computing for green, i.e. using computation to help us do things in a more sustainable way. Hopper gave a slightly odd example of high-tech monitoring that improved efficiency of manufacturing in a car factory; not very clear to me that this is a particularly generalisable example. How about this much better example? Open source geospatial maps and cheap new tools improve farming in Africa. "Aerial drones, crowds of folks gathering soil samples and new analysis techniques combine as pieces in digital maps that improve crop yields on African farms. The Africa Soil Information Service is a mapping effort halfway through its 15-year timeline. Its goal is to publish dynamic digital maps of all of Sub-Saharan Africa at a resolution high enough to serve farmers with small plots. The maps will be dynamic because AfSIS is training people now to continue the work and update the maps." - based on crowdsourced and other data, machine-learning techniques are used to create a complete picture of soil characteristics, and can be used to predict where's good to farm what, what irrigation is needed, etc.

Then Hopper also talked about replacing physical activities by digital activities (e.g. shopping), and this led him on to the topic of the Internet, worldwide sharing of information and so on. He argued (correctly) that a lot of these developments will benefit the low-income countries even though they were essentially made by-and-for richer countries - and also that there's nothing patronising in this: we're not "developing" other countries to be like us, we're just sharing things, and whatever innovations come out of African countries (for example) might have been enabled by (e.g.) the Internet without anyone losing their own self-determination.

Hopper called this "wealth by proxy"... but it doesn't have to be as mystifying as that. It's a well-known idea called the commons.

The name "commons" originates from having a patch of land which was shared by all villagers, and that makes it a perfect term for what we're considering now. In the digital world the idea was taken up by the free software movement and open culture such as Creative Commons licensing. But it's wider than that. In computing, the commons consists of the physical fabric of the Internet, of the public standards that make the World Wide Web and other Internet actually work (http, smtp, tcp/ip), of public domain data generated by governments, of the Linux and Android operating systems, of open web browsers such as Firefox, of open collaborative knowledge-bases like Wikipedia and OpenStreetMap. It consists of projects like the Internet Archive, selflessly preserving digital content and acting as the web's long-term memory. It consists of the GPS global positioning system, invented and maintained (as are many things) by the US military, but now being complemented by Russia's GloNass and the EU's Galileo.

All of those are things you can use at no cost, and which anyone can use as bedrock for some piece of data analysis, some business idea, some piece of art, including a million opportunities for making a positive contribution to sustainability. It's an unbelievable wealth, when you stop to think about it, an amazing collection of achievements.

The surprising take-home lesson for me was: for sustainable computing for the future of the planet, we must protect and extend the digital commons. This is particularly surprising to me because the challenges here are really societal, at least as much as they are computational.

There's more we can add to the commons; and worse, the commons is often under threat of encroachment. Take the Internet and World Wide Web: it's increasingly becoming centralised into the control of a few companies (Facebook, Amazon) which is bad news generally, but also presents a practical systemic risk. This was seen recently when Amazon's AWS service suffered an outage. AWS powers so many of the commercial and non-commercial websites online that this one outage took down a massive chunk of the digital world. As another example, I recently had problems when Google's "ReCAPTCHA" system locked me out for a while - so many websites use ReCAPTCHA to confirm that there's a real human filling in a form, that if ReCAPTCHA decides to give you the cold shoulder then you instantly lose access to a weird random sample of services, some of those which may be important to you.

Another big issue is net neutrality. "Net neutrality is like free speech" and it repeatedly comes under threat.

Those examples are not green-related in themselves, but they illustrate that out of the components of the commons I've listed, the basic connectivity offered by the Internet/WWW is the thing that is, surprisingly, perhaps the flakiest and most in need of defence. Without a thriving and open internet, how do we join the dots of all the other things?

But onto the positive. What more can we add to this commons? Take the African soil-sensing example. Shouldn't the world have a free, public stream of such land use data, for the whole planet? The question, of course, is who would pay for it. That's a social and political question. Here in the UK I can bring the question even further down to the everyday. The UK's official database of addresses (the Postcode Address File) was... ahem... was sold off privately in 2013. This is a core piece of our information infrastructure, and the government - against a lot of advice - decided to sell it as part of privatisation, rather than make it open. Related is the UK Land Registry data (i.e. who owns what parcel of land) which is not published as open data but is stuck behind a pay-wall, all very inconvenient for data analysis, investigative journalism etc.

We need to add this kind of data to the commons so that society can benefit. In green terms, geospatial data is quite clearly raw material for clever green computing of the future, to do good things like land management, intelligent routing, resource allocation, and all kinds of things I can't yet imagine.

As citizens and computerists, what can we do?

  1. We can defend the free and open internet. Defend net neutrality. Support groups like the Mozilla Foundation.
  2. Support open initiatives such as Wikipedia (and the Wikimedia Foundation), OpenStreetMap, and the Internet Archive. Join a local Missing Maps party!
  3. Demand that your government does open data, and properly. It's a win-win - forget the old mindset of "why should we give away data that we've paid for" - open data leads to widespread economic benefits, as is well documented.
  4. Work towards filling the digital commons with ace opportunities for people and for computing. For example satellite sensing, as I've mentioned. And there's going to be lots of drones buzzing around us collecting data in the coming years; let's pool that intelligence and put it to good use.

If we get this right, 20 years from now our society's computing will be green as anything, not just because it's powered by innocent renewable energy but because it can potentially be a massive net benefit - data-mining and inference to help us live well on a light footprint. To do that we need a healthy digital commons which will underpin many of the great innovations that will spring up everywhere.

The Antwerp drinking water fountain scene.

Posted by philippec on 19 May 2017 in English (English)

I revisited Antwerp City and to my surprise drinking water fountains had appeared.
I checked the data from the city and found it to be rather good. Not so in Brussels.

The markers collapse too soon or expand too late for the map to be useful. But the coordinates are very precise. I wished there was a method to copy them in OSM. Anyway thanks to yours truly, OSM is now much better than the official map.

I don't like the new drinking water fountains. They are of concrete and metal with a low and a high faucet. You can only drink from them. The advantage is that they do not necessarily need a gutter.

Strangely there is a blind spot on the map to the south of this fountain.

I do not doubt that most of the Antwerp drinking water fountains will work in the summer. Not so in Brussels. But I cannot set their stateofrepair to OK without revisiting them. That can easily be done in the app "Drinkingwaterfountains". Yes folks, some people map drinking water fountains in the summer without checking if they work.

The Province of Antwerp, or some of its politicians have always been strong advocates for drinking water fountains in their recreational parks and along the main bicycle ways. But the place of those fountains is their best kept secret. "The drinking water company is also involved", they say.

I still have to resolve three notes, and then I am sure hat I have a 95 % accurate picture of the whole province.

Or I could place notes all over the place. No don't worry, I am not that silly. But my three notes might not be visible between all the old and silly notes.

A bicycle "highway" is being built between Antwerp and Brussels. Guess what ? Yes, I checked where a cyclist could have a drink for free.
The best place for someone dying from thirst between Antwerp and Brussels might be a graveyard or a petrol station.

You can see it all on Mapillary.

Location: Sint-Andries, Antwerpen, Antwerp, Flanders, 2000, Belgium

Mapping Taze Zaman

Posted by apm-wa on 18 May 2017 in English (English)

Used Mapillary today for the first time to map the approach road to Taze Zaman, a new suburb of Ashgabat. It gobbled up all the memory of my iPhone 5 very quickly. The interface with ID is very cool and made editing very easy; on the negative side, I'd like an auto mode that doesn't shoot the entire memory wad in only ten minutes. OpenStreetCam is much more memory efficient, though it lacks an interface with ID.

Location: 38.049, 58.297

Bike Paths Around Denver

Posted by killian on 17 May 2017 in English (English)

Making a start

Posted by Chris Jefferies on 17 May 2017 in English (English)

I'm still learning what is possible in OpenStreetMap and just how easy it is to add and edit material. I'd encourage anyone to have a go at this. Every little improvement or addition makes the map more useful and accurate.

Location: Stratton, Cirencester, Cotswold, Gloucestershire, South West England, England, United Kingdom

AAARGH !!! Those Spammers !

Posted by ika-chan! on 17 May 2017 in English (English)

Can someone please do something about the spammers? I am a regular reader of the OpenStreetMap Blog feed, but recently they have been overrun by spammers that abuse the user diary system and go as far as to peddle software cracking (warez).

Extra: Another thing I noticed is that the OpenStreetMap signup page does not have that "I'm not a robot" captcha, which is a far cry from the days you had to figure out nearly-indecipherable words. If there was one, it would significantly reduce automated spammers.

Extra II: But the captcha I refer to helps Google Street View, even though it will be some time before OSM can excel in the street view sector. So what now? Panic?

OSM has failed me

Posted by n76 on 17 May 2017 in English (English)

Actually, failed is too strong a word. Annoyed or disappointed is better.

I am on a vacation in Bilbao which is a lovely city with friendly people, photogenic streets and very good food. But I can't use Osmand or to find streets named in any of the tourist guides of even by the locals including the very nice staff at our hotel.

Why? Because the directions are in always in Spanish/Castilian and a year or so ago the many of the name=* tags for the streets here were edited to remove the Spanish names and have only the Basque names.

I have been consciously observing street signs and they are consistently are in both Basque and Spanish. Usually with Spanish on top. It is my understanding that OSM multilingual tagging calls for having all languages on the signs tagged. I have no issue with replacing the Spanish with Basque on the default name=* tags. But the Spanish names should have been put into name:es=* tags. That would allow visitors like myself a chance at a much better experience.

Imagine being able to find the street given to you by a friendly local who assumes, correctly, that you speak no Basque.

Not that it would have helped much with as I don't see any setting in that app to specify display or search on anything other than the default name=* tag. Osmand does have a setting for specifying the language but I don't know how well it works as the data is not in OSM for it to work with.

So here I am with a wonderful looking OSM based maps with an amazing number of points of interest. And I have apps that can give me detailed directions once I figure out where I want to go. But I am reduced to using Google to find my destination and then I need to compare the street geometry to see where the location is on my OSM based map.

Maybe not a "fail" for OSM, but definitely annoying and disappointing.

New imagery layers, but...

Posted by AkuAnakTimur on 16 May 2017 in English (English)

... apparently my own memory has failed me.

Last September, I have jotted down places to be added into OSM during a (long) bus trip using the Favourite feature in the OsmAnd app. On top of that, OSMTracker for Android was also recording tracks, and I have also taken some photos.

Places near the destination of the bus trip is quite undermapped in OSM. When I reached back home, I found out that neither Bing nor Mapbox layers that has high resolution imagery. Sentinel 2 imagery can be said to be helpful, but to a certain extent. So, I have kept a backup of the Favourite GPX file, who knows, it could be reused in the future.

As DigitalGlobe (DG) has released two layers of imageries recently, I have decided to do remapping again, based on these Favourite GPX files. Many thanks to DG, apparently places across the mentioned bus journey could be (re-)mapped using the Premium (but not the Standard) layer.

However, it seems that I didn't include adequate contexts while jotting things down... oh no, not a good news. I was not able to exactly recall some of these things. Shame.

P.S. cannot thank DigitalGlobe enough for sharing their imagery layers.

Please remove this commentor

Posted by alexkemp on 16 May 2017 in English (English)

Frinz (removed - thank you) was your classic spammer, and in this case a Profile spammer:–

  • Spammer (Oxford Dictionary) (Wikipedia)
  • Profile Spammer:– Someone that places their spam within their forum Profile & then places at least one post within at least one of that forum's boards
    (the purpose of the forum post is to get a legitimate forum link back to the Profile, something that all search-engines (SE's) will follow — ALL spammer activity is intended to game the SE SERPs; any uplift from direct spammer links is simply a bonus)

In this case, Frinz placed his spam within the Personal page for his Profile. His stats are:–

  • Signed up: 07:18 16 May, 2017
  • Edits: 0
  • Traces: 0
  • Diary: 0
  • Comment: 07:19 16 May, 2017: Comment content: “Hi Hello!”

Fairly transparent once you understand the method & motivations.

To Improve Map

Posted by Eh Doh on 15 May 2017 in English (English)

This place is called "Tagondaing", in Kayin State, Burma.

Location: 1, Tagondaing main road, Kyainseikgyi, Kawkareik, Kayin, 13071, Myanmar

How do volunteer mappers use crowdsourced Mapillary street level images to enrich OpenStreetMap?

Posted by NunoCaldeira on 15 May 2017 in English (English)

Interesting reading:


An increasing number of crowdsourced geo-data repositories and their services allows volunteer mappers to utilize information from various data sources when contributing data to a crowd-sourced mapping platform. This study explores to which extent OpenStreetMap (OSM) contributors use the crowdsourced street level photo service Mapillary to derive mappable data for OSM during their editing sessions in the iD and JOSM editors. We cross-check the location of OSM edits with the geographic areas from which OSM contributors loaded Mapillary images into the editors to determine which OSM edits could have been based on information from Mapillary images. The findings suggest that OSM mappers are beginning to utilize information from street level images in their mapping workflow. This observed “cross-viewing” pattern between different datasets indicates that the use of data from one VGI platform to enhance that of another is a real phenomenon, leading to implications for VGI data quality.

Location: PR 12, Relvinha, Madeira, Portugal (territorial waters)


Posted by briansalemink on 15 May 2017 in English (English)

Long term goals: Complete Geoje-si, South Korea

Completed 1.Roughing all roads 2. Redraw coastline 3. Rough zoning of west part of island 4. Detailed Streets and buildings of A. Gohyeon B. Janpyeong C. Junggok D. Suwol/ Yangjeong E. Sangdong F. Okpo G. Aju H. Jangseungpo I. Neungpo J. Irun-myeon K. South east coast of Dongbu-myeon L. Mundong M. Yeoncho-myeon N. Sagok in Sadeung-myeon O. Central Section in Geoje-myeon 5. Next A. Complete Dongbu-myeon (1-2 months) B. Complete Geoje-myeon (< 1 month) C. Complete Hacheong-myeon (1-2 months) D. Complete Jangmok-myeon (2-3 months) E. Complete Sadeung-myeon (2-3 months) F. Complete Dundeok- myeon (2-3 months) G. Complete Nambu-myeon (2-3 months)

Location: Yongsan Village, Geoje, South Gyeongsang, South Korea

Update of M37 from Bayramaly to Ashgabat

Posted by apm-wa on 14 May 2017 in English (English)

I used a road trip from Bayramaly to Ashgabat to collect GPS traces as well as several megabytes of imagery with OpenStreetCam on May 11, and today plowed through the data to update the M37 between Bayramaly and Ashgabat. In several places it remains under construction and signage is minimal to nonexistent. There is more work to be done but the roadway itself is largely done. We also found another couple of gas stations (always useful) and a good fish restaurant, the Seljuk Kafe-Otel!

Location: M37, Ahal Region, Turkmenistan

OpenStreetMap in Tunisia : OpenCage Interview

Posted by Mohamed Chedli Ben Yaghlane on 14 May 2017 in English (English)

New blog interview w/ Mohamed Marrouchi about the OpenStreetMap community in Tunisia

OpenCage Data Blog

Blog Post Link: Alt text

Better Maps #2 - Plaza pitfalls

Posted by wolfbert on 13 May 2017 in English (English)

Todays' case is a problem reported by OSM Inspector. As I know the location, I decided to investigate.

OSMI problem

Inner touching outer

At first sight, the situation appears to be straightforward. A plaza in front of a train station has been mapped as multipolygon with highway=pedestrian. A patch of grass and a building, both tagged as inner areas, touch the multipolygon outer border along a line, which is not permitted.

The solution is usually simple, just remove the inner areas from the multipolygon relation and redraw the outer border so that it excludes the inner areas. In this example, this works fine for the patch of grass to the left. Looking more closely at the building, however, reveals another problem.

Walking on the roof

The "building" has in fact been tagged as building=roof , layer=1, and correctly so, as the image below shows. Roof in front of train station The roof, however, is at a different level than the pedestrian area which extends under it. In other words, the building should not have been part of the multipolygon in the first place (there's no point in excluding the roof from the area below), and no redrawing is required.

And the name goes where?

It is customary to tag the name of the plaza on the pedestrian polygon. Once we start excluding areas from that polygon (e.g. a kiosk, fountain or greenery), things get tricky. The name of the plaza describes the whole area, while the pedestrian area is only the part we can walk on. In the above example, the plaza - being identical with the pedestrian area - does not include the grass.

A number of solutions come to mind:

  1. Tag the name of the plaza and associated information separately with a node and place=square
  2. Move the plaza name from the multipolygon relation to the outer border way of the multipolygon
  3. Draw a separate (multi)polygon and tag it with place=square and the name

(1) Works, but we lose the spatial information about the plaza.

(2) The trick here is to exploit the fact that the outer border is evaluated separately from, and in addition to the multipolygon relation. This approacch works only if the outer border of the multipolygon completely encloses the plaza (not in the example) and consists of a single way only.

(3) Works, but requires additional drawing/elements.

Happy mapping, and remember, quality matters!

A Pepperpot within Pepperpots

Posted by alexkemp on 12 May 2017 in English (English)

There are hidden gems at the corner of Arnold Lane & Mapperley Plains, both above & below ground.

The first item to be found travelling out from Nottingham town is a gas pipeline site, but let's gloss over that.

Next is the 3WScouts site, and I think that it may be the best pocket-location for Scouts in the UK (it was locked up when I called last Wednesday, but this shot taken through the gate may give an indication of the delights behind) (or look through the photos at the 3WScouts website):–

3WScouts clubhouse

The 3WScouts training ground is called Pepperpots. The photo below comes from the 3W website (I'm hoping to be able to arrange to take one of my own), and is one of the two sources for that rather odd name (the other Pepperpot is hidden within the woods at the eastern end of the site):–

Pepperpots Pepperpot

The reason for these odd structures and for the long, thin nature of much of the site lies beneath the ground. Mapperley Tunnel was built to carry the Great Northern Railway under Mapperley Ridge (I love tunnels! see here to find someone that is even madder than me about these things). As geology would have these things, Plains Road and Mapperley Plains (they are one road in spite of the name-change) run along the ridge, whilst the tunnel passes diagonally directly under the place where Arnold Lane & Gedling Road (also one road) cross the ridge-line.

That tunnel explains the Pepperpots, as they were built on top of the tunnel vents. In more recent years those Pepperpots were used as dumping grounds for rubbish, and that may also explain how the Scouts managed to obtain their grounds. Whatever is the full story, the Pepperpots training site is based directly above & along the Mapperley Tunnel.

Further geology interfered with the tunnel after only 50 years of it's existence. The tunnel was in use by 1875, but in 1900 the first shafts were sunk by the Digby Coal Company almost on top of the tunnel entrance. The railway now became a Mineral Railway, and was mighty useful for what became Gedling Pit, but only 25 years after the pits were established Mapperley Tunnel suffered it's first subsidence. Such problems continued & in 1960 the whole line was shut down.

As a sad postscript to this story, the Gedling Access Road (GAR) threatens this wonderful site. Read more on

Location: Arnold and Carlton, Gedling, Nottinghamshire, East Midlands, England, United Kingdom

Back mapping again after a 7 year absence

Posted by Fieldhog on 12 May 2017 in English (English)

I noticed that my Garmin was missing a few footpaths while i was walking around Maidenhead the other week so decided to add them onto the map. I'd forgotten how nice it is to spend some time mapping. Must get out more and do more mapping.

Things that have changed over the last 7 years.

My i5 with SSD can process the Great Britain map into a Garmin map in about 40 minutes now. Wow. It used to take several hours.

Editing via the open street map website is quick and easy, a much nicer experience than downloading partial maps and editing them in JOSM.


Must spend some time on my styles file, maybe try and make it more OS like.


Does anyone know what/why i get "unnamed/other" buildings all over my Garmin map?


Posted by Eh Doh on 12 May 2017 in English (English)

'''Winyaw(Wonraw) River''' is a river of [[Burma|Burma (Myanmar)]], arising at {{Coord|15|34|28.9|N|98|02.5|E|display=inline}} in southern [[Kayin State]]. It flows north past [[Htimahto]], [[Hlarkada]], [[Winyawseikkyi]], [[Phatele]], [[Kawankathaung]], [[Tagondaing]] and [[Kale]], where it flows into [[Mon State]]. The Winyaw(Wonraw) River is a tributary of the [[Ataran River]], which on a grander scale is part of the [[Salween River]] Basin.

Location: Tagondaing, Kyainseikgyi, Kawkareik, Kayin, 17031, Myanmar
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