Black Mesa State Park is an Oklahoma state park in Cimarron County, near the western border of the Oklahoma panhandle and New Mexico. The park is located about 15mi away from its namesake, Black Mesa, the highest point in Oklahoma (4973ft above sea level). The mesa was named for the layer of black lava rock that coats it.The associated nature preserve is open to hiking and contains 1600acre and is home to 23 rare plants and 8 rare animal species.The nearest community is Kenton, Oklahoma. The nearest town is Boise City, Oklahoma.Carl Etling LakeCarl Etling Lake, formed in 1959 by a dam on Carrizo Creek, is contained within Black Mesa State Park. It has a shoreline of 5 mi, an average depth of 11ft, with a maximum depth of 38ft.