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).

---

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)

---

Black Hills Cultural  

1. Mountains in southwestern South Dakota and northeastern Wyoming.

---

Discover More

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

Microsoft’s tariff agreement with Black Hills Energy ensures its data center expansion will not raise electricity prices for base retail customers.

From Barron's • Apr. 14, 2026

After going undrafted out of the University of Houston, he began his career with obscure minor-league teams, like the Black Hills Posse and Jacksonville Barracudas.

From The Wall Street Journal • Oct. 28, 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

The Black Hills Audubon Society applauds Lynda Mapes’ reporting on the illegal construction of a concrete bulkhead along the Hood Canal.

From Seattle Times • Feb. 23, 2024

In the morning, we set out for the Black Hills and Mt.

From "Walk Two Moons" by Sharon Creech