Cliffhanger is a Prepper Stash in Far Cry 5. Prepper Stashes are mini-quests that offer exceptional rewards for completing.
Location[]
This stash is located northwest of Clagett Bay in the Whitetail Mountains.
Finding the Stash[]
Locate a crashed truck with a dead man inside, next to a briefcase. The stash is in the back of the truck but the key to open the box is at the top of the waterfall. Get to the top and find the key laying in a pool of blood next to a body.