The Terril Mountains are located in west-central Nevada

Nevada

Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The range is located at the northern end of the Walker River Indian Reservation

Walker River Indian Reservation

The Walker River Indian Reservation is an Indian reservation located in central Nevada in the United States. It is located along the Walker River between Yerington and Walker Lake. At the current lake level, the reservation has only a small frontage on Walker Lake...

 where Lyon County

Lyon County, Nevada

Lyon County is a county located in the U.S. state of Nevada. As of the 2010 census, the population was 51,980. Its county seat is Yerington.-History:...

, Mineral County

Mineral County, Nevada

Mineral County is a county located in the U.S. state of Nevada. As of the 2000 census, the population was 5,071. In 2009, it was estimated to have dropped to 4,662. Its county seat is Hawthorne.-History:...

, and Churchill County meet.

The small range reaches an elevation of 6,084 feet at Brown Knob. The mountains are located south of Fallon and east of Yerington. The Terril Mountains are home to at least eight different species of lizards.