Dead Mountain is a mountain located in the Bad Lands. The mountain is a huge rock which sits in a tilted position that has a slope on its back on which Finn and Jake use to reach the top in the episode "Don't Look." What lies in the interior of the mountain is unknown.
A small hut lies on top, which Finn and Jake barge into to collect a treasure. The hut turns out to be the residence of a dead hermit and is left hoarded with rats, empty pizza boxes, and other junk.
Dead Mountain is a huge dark rock with a carving of a skull on its front. Its back is sloping and it is surrounded by smaller rocks and grass in a desert.
On the top of Dead Mountain lies a small hut surrounded by warning signs, bushes, and other weird plants with thorny vines.