Margaret McKenny Campground

Mima mounds are low, flattened, circular to oval, domelike, natural mounds that are composed of loose, unstratified, often gravelly sediment that is an overthickened A horizon. These mounds range in diameter from 3 m (9.8 ft) to more than 50 m (160 ft); in height 30 cm (12 in) to greater than 2 m (6.6 ft); and in concentration from several to greater than 50 mounds per hectare, at times forming c

summit in Thurston County, Washington state, United States of America

Mima Mounds Natural Area Preserve is a state-protected Natural Area in the southwest corner of Thurston County, Washington. The site was designated as a National Natural Landmark in 1966 as an example to protect mima mounds.

The Capitol State Forest is a 110,000-acre (450 km2) state forest in Thurston and Grays Harbor counties in Washington, used for both commercial logging operations and recreation. The forest, containing the Black Hills, is surrounded by various preserves and wildlife areas; it contains Mima mounds geologic features and is the headwater for McLane Creek. Capitol State Forest is managed by Washington