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Pathfinder Reservoir & Dam
30 miles southwest of Casper on State Highway 220,
onto County Rd. 409 for 10 miles
Pathfinder, the first dam in eastern Wyoming, is near the junction of the Sweetwater and North Platte Rivers. Much of the irrigation water supplied by the reservoir flows into Nebraska, but the dam itself was considered an engineering marvel when completed in 1909. The 214-foot granite structure is held together with cement, and steel was hauled in wagon teams from Casper. The dam is listed on the National Register of Historic Places.

The reservoir is a popular fishing spot with both locals and travelers. The crystalline blue waters are home to trout and walleye. The area also boasts some of Woming’s best sailing and windsurfers take advantage of the consistent winds.

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