California is a state in the Pacific Region of the United States.
A mountain is a large landform that stretches above the surrounding land in a limited area, usually in the form of a peak.
The Trinity Alps are a mountain range in Siskiyou County and Trinity County, in Northern California.
The United States Geological Survey (USGS, formerly simply Geological Survey) is a scientific agency of the United States government.
Wintu is a critically endangered Wintuan language spoken by the Wintu people of Northern California.