Porcupine Ridge is a ridge located in Gilliam County, Oregon. It appears on the Schott Canyon USGS 7.5-minute topographic quadrangle. The nearest populated place is Igo (historical), approximately 5.1 miles to the NE.
Gilliam County · Oregon
Porcupine Ridge is a ridge located in Gilliam County, Oregon. It appears on the Schott Canyon USGS 7.5-minute topographic quadrangle. The nearest populated place is Igo (historical), approximately 5.1 miles to the NE.