Sherwin Ravine is a valley located in Plumas County, California. It appears on the Onion Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Silongkoyo (historical), approximately 5.2 miles to the N.
Plumas County · California
Sherwin Ravine is a valley located in Plumas County, California. It appears on the Onion Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Silongkoyo (historical), approximately 5.2 miles to the N.