Lost Lake was discovered by Ishmael Thornton, one of the geologists accompanying the Lewis and Clark Expedition of 1803 - 1806. He claimed most of the mountain and valley land surrounding the vast crater lake and named the mountains the Choguns (chogun means blackbird in the Blackfoot language). The main ranch house, Blackbird Lodge, is located in the mountains overlooking the lake.
The ranch raises a hardy and meaty breed of cattle, crossbred between Angus and Texas Longhorns. They also raise horses for the military, a cross between the Colonial Quarterhorse and local Mustangs.
See Map for location.