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Photo: dayvayen, CC BY-SA 2.0 via Wikimedia Commons
An underground river through a limestone cavern. It goes into the Sinks and comes out at a pool called the Rise.
Sinks Canyon State Park is a public recreation and nature preservation area located in the Wind River Range, six miles (9.7 km) southwest of Lander, Wyoming, on Wyoming Highway 131. The state park is named for a portion of the Middle Fork of the Popo Agie River where it flows into an underground limestone cavern, named "the Sinks," and emerges a quarter-mile down the canyon in a pool named "the Rise." The park is managed by the Wyoming Division of State Parks and Historic Sites.
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Pioneer Museum
Complex with historic structures, log cabins and Native American dances during summer months.
Historic site on trail; snacks/drinks only, no fuel or gear. May hold packages—confirm via southpasscity.org/cdt. Most hikers resupply in Lander or Atlantic City instead.