The trails are part of the "Profile Trails" network sponsored by Franconia area NEMBA.
https://www.nemba.org/trails/new-hampshire/profile-trail-network-franconia-inn-trails

The most updated map of the Profile Trails is below as the upper trail was part of a recent challenge event.
https://www.tricyclenh.com/profile

Given how easy it is to get lost on these trails I made sure the OSM (and Open Cycle Map) were up to date.