Potomac, MT 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 Potomac quad
The Potomac quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 7.7 × 10 mi of Missoula County, Montana. It overlaps Lolo National Forest. The GeoPDF is 2.0 MB.
All Montana Forest Service FSTopo maps · Montana 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
11 named features inside the Potomac — 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
- Goose Rock · pillar
- Little Belmont Point
- Morrison Peak
- Red Rock · pillar
Lakes, springs and falls
- Daigles Eddy · bay
- Thibideau Rapids · rapids
Gaps, arches and other landforms
- Camas Prairie · flat
- Goose Rock Flat · flat
- Red Rock Flat · flat
- Sheep Flats · flat
- Steves 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 Lolo National Forest.
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Potomac, MT
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Version history
Version 1 · Nov 8, 2026 · 2.0 MB