Keystone Gulch is a valley located in Lemhi County, Idaho. It appears on the Gibbonsville USGS 7.5-minute topographic quadrangle. The nearest populated place is Gibbonsville, approximately 0.7 miles to the W.
Lemhi County · Idaho
Keystone Gulch is a valley located in Lemhi County, Idaho. It appears on the Gibbonsville USGS 7.5-minute topographic quadrangle. The nearest populated place is Gibbonsville, approximately 0.7 miles to the W.