Lost Lake Ridge is an unnamed mountain ridge

Ridge

A ridge is a geological feature consisting of a chain of mountains or hills that form a continuous elevated crest for some distance. Ridges are usually termed hills or mountains as well, depending on size. There are several main types of ridges:...

 located on the boundary between Butte

Butte County, California

Butte County is a county located in the Central Valley of the US state of California, north of the state capital of Sacramento. As of the 2010 census, it had a population of 220,000. The county seat is Oroville. Butte County is the "Land of Natural Wealth and Beauty."Butte County is watered by the...

 and Plumas

Plumas County, California

Plumas County is a county located in the Sierra Nevada of the U.S. state of California. The county gets its name from the Spanish words for the Feather River , which flows through the county. As of the 2010 census, the population 20,007, down from 20,824 at the 2000 census...

 counties in the Sierra Nevada of California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

.

The ridge, located close to Lost Lake and Humboldt Peak, has an elevation of about 7120 feet (2,170.2 m) at the county line and is the highest point in Butte County. The ridge is in Lassen National Forest

Lassen National Forest

Lassen National Forest is a national forest of 1,700 square miles in northeastern California. It is named after pioneer Peter Lassen, who mined, ranched and promoted the area to emigrant parties in the 1850s.- Overview :...

 and within about 700 feet (213.4 m) of the Pacific Crest Trail

Pacific Crest Trail

The Pacific Crest Trail is a long-distance mountain hiking and equestrian trail on the Western Seaboard of the United States. The southern terminus is at the California border with Mexico...

. Due to its elevation the ridge receives considerable snowfall during the winter.