Makoshika State Park ("ma-KO-sh(ih)kuh" from the Lakota Maco sica, meaning 'bad land' or 'land of bad spirits') is a nature preserve and public recreation area located on the southeast side of Glendive in Dawson County, Montana. The state park encompasses badlands containing dinosaur fossils and rock from the Hell Creek Formation. It is the largest of Montana's state parks at more than 11,000 acres (45 km²).

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