Castle Mountains National Monument

Castle Mountains National Monument, 20,920 acres (8,466 hectares), SE California. Surrounded on three sides by the Mojave National Preserve (see Mojave Desert), the monument contains Native American archaeological sites; Joshua tree, pinyon pine, and juniper forests; desert grasslands; and numerous wildlife species, including golden eagles, desert tortoises, bighorn sheep, mountain lions, and bobcats. The rugged Castle Mountains rise to 5,543 ft (1,690 m) at Hart Peak.

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