Black Diamond Ridge is a ridge located in Plumas County, California. It appears on the Blue Nose Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Howland Flat, approximately 4.4 miles to the SW.
Plumas County · California
Black Diamond Ridge is a ridge located in Plumas County, California. It appears on the Blue Nose Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Howland Flat, approximately 4.4 miles to the SW.