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Chouteau County, Central Montana

Lonesome Lake lives up to its name. Situated in the vast, sparsely populated plains of central Montana, it is a large, shallow, alkaline basin that is entirely dependent on the whims of the weather. In wet cycles, it is a sprawling inland sea; in dry years, it is a glaring expanse of white salt and cracked mud.

When the water holds, the lake is an Important Bird Area of profound significance. It serves as a major breeding site for the American Avocet, the Black-necked Stilt, and the Wilson's Phalarope. The isolation of the lake provides security for these ground-nesting birds. During migration, the sheer volume of waterfowl resting on the water can be staggering, with thousands of Northern Shovelers, Gadwalls, and Mallards seeking refuge in the desolate landscape.

Visitor Access

Lonesome Lake is surrounded by a mix of state, federal, and private lands. There are no visitor facilities, signs, or maintained trails. Access is via remote, unpaved county roads that become impassable when wet. Birders must use extreme caution, carry detailed land ownership maps, and be prepared for complete self-sufficiency. The best viewing is often done with a spotting scope from the public road right-of-ways.