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Cottonwood Canyon State Park

State Park on Columbia Plateau, OR

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Cottonwood Canyon State Park, established in 2013, is the second largest state park in Oregon, encompassing 8,000 acres (3,200 ha) on the lower John Day River. The largest is Silver Falls State Park at 9,064 acres (3,668 ha). Park headquarters, about a two-hour drive east of Portland, is adjacent to Oregon Route 206 between Wasco and Condon. The river, which here forms the boundary between Sherman County on the west and Gilliam County on the east, meanders for 16 miles (26 km) through the arid park. The walls of the main canyon reach to 1,920 feet (590 m) above sea level within the park, which also includes four side canyons: Hay Creek, Esau, Rattlesnake, and Cottonwood. These and the main canyon are flanked by grassland, sagebrush shrub-steppe, river bottom, and cliffs composed mainly of…

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