The cavern’s entrance has several Trappers stationed in the location with several loot boxes in the individual shacks. There’s also a chem station and cooking station in one of the shacks in this location.
There are more trappers inside the cavern, and more containers to loot. They’re pretty easy to eliminate so clear the area and loot the containers you can find inside. Past the main shack lies another path that leads to Kitteredge Pass. This alternate route brings you directly over a shallow pool where there are ghouls pretending to be dead.