Area 155 is mostly wilderness area in the Gros Ventre Wilderness. Nonresidents will be limited for access in the wilderness area, unless they use a licensed guide. For nonresidents, this area is part of Region H and tags drawn for this area are valid in: 130, 138, 139, 140, 142, 149, 150, 151, 152, 153, 154, 155.

This area has limited hunter activity and results in low hunting pressure throughout most of the season. A majority of the unit is above the treeline with many high mountain lakes and many basins that create the perfect habitat to grow trophy class bucks.