Caterpillar's Mound is an island due south of the Sorrows encampment, it derives its name from the fact the rocks atop it resemble a caterpillar. By looking northwest from the dock at Sorrows Fork Campground, it can be seen directly ahead.
- Three xander roots grow on top of the mound, it also has a banana yucca fruit plant and honey mesquite pod bush on the small island.
- Up the slope directly southwest of the mound is a hollowed-out rock containing some ammunition and a couple of miscellaneous items.
- 2 sacks and a purified water on boat on small island to the west.
- Xbox 360 The location won't show up as a marker on the compass mini map.