This location's central feature is a large tree in the water that has been overtaken by strangler vines. A system of wooden walkways spiral up the tree, with several boats, crates and skeletons entrapped in its vines. A locked explosives crate can be found along the walkway. At the top of the treehouse is a dirty mattress and a duffle bag next to a toilet and bathtub. There is also a grill and a table filled with various cooking-related junk items.
- Random recipe - On the first table encountered while going up the walkway.
It is possible for the player character to wake up here after blacking out from drinking Nukashine.
The river treehouse appears only in Fallout 76.