Porphyry Mountain
Summit in Eagle County, Colorado · on the USGS Sugarloaf Mountain quadrangle
39.82581, -107.00337
Maps that show Porphyry Mountain
Get them in the map app
Sugarloaf Mountain, CO
Detailed map of terrain, trails and roads
USGS topo, 2022
Burns South
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Sugarloaf Mountain
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Bull Gulch Wilderness Study Area Recreation Map
BLM Colorado (2017)
Upper Colorado River Special Recreation Management Area Map
BLM Colorado (2017)
Eagle-Holy Cross Ranger District Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
White River National Forest (2026)
Vail 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Colorado
Glenwood Springs 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Colorado
Blanco Ranger District Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
White River National Forest (2026)
Blanco Ranger District Over-Snow Vehicle Use Map
Where snowmobiles are allowed
White River National Forest (2026)
Eagle-Holy Cross Ranger District Over-Snow Vehicle Use Map
Where snowmobiles are allowed
White River National Forest (2026)
Yampa Ranger District Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Medicine Bow-Routt National Forests & Thunder Basin National Grassland (2019)
White River National Forest
Forest Service forest map
IFR Enroute Low Altitude Chart L-09 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-05 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-11 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-04 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).