Gray Rock is a summit located in Umatilla County, Oregon. It appears on the Thimbleberry Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Summerville, approximately 6.4 miles to the E.
Umatilla County · Oregon
Gray Rock is a summit located in Umatilla County, Oregon. It appears on the Thimbleberry Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Summerville, approximately 6.4 miles to the E.