Theres some wildlife and loot to take note of but there isnt anything in the form of shelter besides a few caves.
Additionally pleasant valley is accessible through carter river a transition region found behind carter hydro dam. It is possible to travel through the ravine to coastal highway within a few days. I first uploaded the map to the artwork page but decided to use the guide page for version control. Mystery Lake Aerial Contour Map 4000x4000 Thelongdark