Lake DeSmet | Buffalo

Lake DeSmet is a reservoir located in Johnson County, Wyoming, approximately 25 miles southwest of Buffalo.

Visual Characteristics

The lake's surface area varies with water levels, typically covering between 3,000 and 3,500 acres. The surrounding terrain consists of rolling hills and sagebrush steppe. Water color ranges from a murky brown to a clearer blue-green depending on sediment load and depth.

Location & Access Logistics

Access to Lake DeSmet is via Wyoming Highway 196 (also known as Old US 87). The turnoff from US Highway 87 is clearly marked. The drive from Buffalo to the lake is approximately 25 miles. Ample parking is available at designated access points and boat ramps. No public transport services operate directly to the lake.

Historical & Ecological Origin

Lake DeSmet is a natural lake that was enlarged by the construction of a dam in the 1950s. It is part of the Powder River Basin, an area characterized by sedimentary rock formations. The lake serves as a significant water source for irrigation and municipal use in the region.

Key Highlights & Activities

Fishing is a primary activity, with stocked populations of rainbow trout, cutthroat trout, and perch. Boating, including waterskiing and jet skiing, is permitted. Birdwatching is also popular due to the presence of waterfowl and other migratory species.

Infrastructure & Amenities

Basic amenities include boat ramps, fishing piers, and primitive camping areas. Restrooms are available at some developed access points. Shade is limited, primarily found near developed picnic areas. Cell phone signal is intermittent and generally unreliable across the lake area.

Best Time to Visit

The best months for visiting are typically May through September, offering warmer weather suitable for water activities. Early morning and late evening provide optimal lighting conditions for photography. Ice fishing is possible during winter months when conditions permit.

Facts & Legends

Lake DeSmet is known for its exceptionally clear water in certain sections, attributed to the limestone bedrock. Local lore suggests the lake is exceptionally deep, though official soundings indicate a maximum depth of around 70 feet.

Nearby Landmarks

• Johnson County Historical Society Museum (15km Northeast)
• Bighorn National Forest (Access points vary, approximately 30km West)
• Crazy Woman Canyon (20km Northwest)
• Fort Phil Kearny State Historic Site (35km Southwest)