Porphyry Peak is a summit located in Custer County, Idaho. It appears on the Porphyry Peak USGS 7.5-minute topographic quadrangle. The nearest populated place is Chilly, approximately 10.8 miles to the NNE.
Custer County · Idaho
Porphyry Peak is a summit located in Custer County, Idaho. It appears on the Porphyry Peak USGS 7.5-minute topographic quadrangle. The nearest populated place is Chilly, approximately 10.8 miles to the NNE.