Tunnel Canyon is a valley located in Malheur County, Oregon. It appears on the Owyhee Dam USGS 7.5-minute topographic quadrangle. The nearest populated place is Adrian, approximately 7.5 miles to the ENE.
Malheur County · Oregon
Tunnel Canyon is a valley located in Malheur County, Oregon. It appears on the Owyhee Dam USGS 7.5-minute topographic quadrangle. The nearest populated place is Adrian, approximately 7.5 miles to the ENE.