Secret Canyon is a valley located in Sierra County, California. It appears on the Downieville USGS 7.5-minute topographic quadrangle. The nearest populated place is Mount Vernon (historical), approximately 2.2 miles to the SW.
Sierra County · California
Secret Canyon is a valley located in Sierra County, California. It appears on the Downieville USGS 7.5-minute topographic quadrangle. The nearest populated place is Mount Vernon (historical), approximately 2.2 miles to the SW.