Dillon, CO Forest Service Topo Map (FSTopo)
by Forest Service FSTopo Quads (public domain), US
A free GeoPDF for offline GPS in the Cartahaven app, with free updates. How it works offline

About the Dillon quad
The Dillon quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 7.7 × 9.5 mi of Summit and Grand counties, Colorado. It overlaps White River National Forest and Arapaho and Roosevelt National Forests. The GeoPDF is 2.4 MB.
All Colorado Forest Service FSTopo maps · Colorado hunting units
What you get
- Your GPS position on the map. A blue dot on this official sheet shows where you are.
- Works with no signal. Download it once; the map and your GPS position keep working with no cell signal.
- Tracks, placemarks and photos. Record where you go, drop pins, and export GPX, KML or GeoJSON.
- Free updates. When a new edition is published here, it’s yours at no cost.
- 1Tap “Get this map”: it’s added to your free account.
- 2Open the Cartahaven app on your phone and sign in.
- 3Tap “Get my maps”. It’s on your phone, ready offline.
The app runs on iPhone, Android and in desktop browsers. Install it · How offline GPS works
Where this map covers
Named places on this map
4 named features inside the Dillon — Forest Service FSTopo 7.5-minute quad sheet, from the USGS Geographic Names Information System. Each one links to every map that shows it.
Peaks and ridges
Lakes, springs and falls
- Blue River Ranch Lakes · lake
Gaps, arches and other landforms
- Ptarmigan Pass · gap
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
More maps of White River National Forest and Arapaho and Roosevelt National Forests.
Maps nearby
More maps around here ›
Dillon, CO
Detailed map of terrain, trails and roads
USGS topo, 2022

Dillon, CO
Old map for history, not navigation
USGS historical 15-minute topo (1929)

Dillon, CO
Old map for history, not navigation
USGS historical 15-minute topo (1934)

South Half Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Arapaho and Roosevelt National Forests & Pawnee National Grassland

Dillon Ranger District Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
White River National Forest (2026)

Dillon Ranger District Over-Snow Vehicle Use Map
Where snowmobiles are allowed
White River National Forest (2026)
Version history
Version 1 · Nov 8, 2026 · 2.4 MB