Poison Canyon is a valley located in Yakima County, Washington. It appears on the Medicine Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Tampico, approximately 3.5 miles to the NNW.
Yakima County · Washington
Poison Canyon is a valley located in Yakima County, Washington. It appears on the Medicine Valley USGS 7.5-minute topographic quadrangle. The nearest populated place is Tampico, approximately 3.5 miles to the NNW.