Letterbox Canyon is a valley located in Lassen County, California. It appears on the Letterbox Hill USGS 7.5-minute topographic quadrangle. The nearest populated place is Hayden Hill, approximately 1.2 miles to the S.
Lassen County · California
Letterbox Canyon is a valley located in Lassen County, California. It appears on the Letterbox Hill USGS 7.5-minute topographic quadrangle. The nearest populated place is Hayden Hill, approximately 1.2 miles to the S.