The Black Hills are a small range of hills in Thurston and

Grays Harbor Grays Harbor is an estuarine bay located north of the mouth of the Columbia River, on the southwest Pacific coast of Washington state, in the United States of America. It is a ria, which formed at the end of the last ice age, when sea levels flood ...

counties of

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

. They are widely considered a subset of the

Willapa Hills The Willapa Hills is a geologic, physiographic, and geographic region in southwest Washington. When described as a physiographical province, the Willapa Hills are bounded by the Pacific Ocean to the west, the Columbia River to the south, the Ol ...

, however, the line parent of the Black Hills is Rock Peak, in the Olympic Mountains. Capitol Peak is the highest peak in the range. The Black Hills takes its name from the Black River. A former variant name was "Black Mountains". The

Capitol State Forest The Capitol State Forest is a state forest in Thurston and Grays Harbor counties of the U.S. state of Washington. It includes part of the unusual Mima Mounds geologic feature. The Capitol State Forest is managed by Washington State Department ...

has roughly the same boundaries as the Black Hills. The high school A.G. West Black Hills,

Tumwater, Washington Tumwater is a town in Thurston County, Washington, United States. The population was 25,350 at the 2020 census. It is situated near where the Deschutes River enters Budd Inlet, the southernmost point of Puget Sound; it also borders the state c ...

, is named for the hills, as is the local soccer club the Blackhills Football Club. Capital Medical Center on the west side of Olympia was named Black Hills Community Hospital from its opening in 1985 until 1991.About Capital Medical Center – our history
Multicare, accessed November 28, 2022

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* * Hills of Washington (state) Landforms of Grays Harbor County, Washington Landforms of Thurston County, Washington {{ThurstonCountyWA-geo-stub