List of lakes of Petroleum County, Montana

There are at least nine named lakes and reservoirs in Petroleum County, Montana.

Lakes

 * Little Bear Lake, 47.11028°N, -108.47556°W, el. 3100 ft
 * Wild Horse Lake, 47.18194°N, -108.5425°W, el. 3038 ft

Reservoirs

 * Headman-Field Reservoir, 47.515°N, -108.03694°W, el. 2739 ft
 * Petrolia Lake, 46.93528°N, -108.24389°W, el. 2900 ft
 * Prtrolla Lake, 46.94°N, -108.24222°W, el. 2900 ft
 * War Horse Lake, 47.10917°N, -108.52778°W, el. 3146 ft
 * War Horse Lake, 47.12°N, -108.53556°W, el. 3136 ft
 * War Horse Lake, 47.135°N, -108.58722°W, el. 3143 ft
 * Yellow Water Reservoir, 46.90222°N, -108.4725°W, el. 3117 ft