devils postpile national monument
scenic area in Madera county, east-central California, U.S. It is situated in Inyo National Forest on the Middle Fork San Joaquin River, about 12 miles (20 km) southeast of Yosemite National Park. The monument, which lies on the western slopes of the Sierra Nevada, was established in 1911; it has an area of 1.2 square miles (3 square km).
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