Black Hills

American  

plural noun

1. a group of mountains in W South Dakota and NE Wyoming. Highest peak, Harney Peak, 7,242 feet (2,205 meters).

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Black Hills British  

plural noun

1. a group of mountains in W South Dakota and NE Wyoming: famous for the gigantic sculptures of US presidents on the side of Mount Rushmore. Highest peak: Harney Peak, 2207 m (7242 ft)

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Black Hills Cultural  

1. Mountains in southwestern South Dakota and northeastern Wyoming.

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Location of Mount Rushmore.

Sacred to the Sioux. The opening of the Black Hills to settlement by whites in 1874 led to the Battle of Little Bighorn.

Example Sentences

Shares of Black Hills Corp. advanced 6.1% to $76.60 Tuesday afternoon following Microsoft’s announcement.

From Barron's • Apr. 14, 2026

The American Indians had done nothing to warrant war, but white trespassers had discovered gold in the sacred Black Hills, a mountain range in what is now western South Dakota and northeastern Wyoming.

From The Wall Street Journal • Oct. 31, 2025

He struck on an idea to carve representations of the American West into the granite pinnacles of the Central Black Hills: The Lakota leader Red Cloud, Lewis and Clark, George Armstrong Custer.

From Slate • Mar. 13, 2025

“I don’t know what we’re going to be able to salvage,” complained Mark Schlaefli, a co-owner of Black Hills Aerial Adventures who is looking for alternative routes.

From Seattle Times • Dec. 3, 2023

She used to tell me about the Black Hills, which were sacred to the Sioux Indians.

From "Walk Two Moons" by Sharon Creech