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Threemile Buttes, MT Forest Service Topo Map (FSTopo)

by Forest Service FSTopo Quads (public domain), US

Free

A free GeoPDF for offline GPS in the Cartahaven app, with free updates. How it works offline

Threemile Buttes — Forest Service FSTopo 7.5-minute quad
USDA Forest Service FSTopo 1:24,000 quadrangle for Threemile Buttes. Unlike the USGS US Topo of the same area it shows Forest Service road and trail numbers, national forest ownership (land that is not National Forest System land is shaded), the Public Land Survey grid, campgrounds, trailheads and Forest Service facilities. FSTopo Legacy edition (static since 2023). Public domain map from the USDA Forest Service (FSGeodata Clearinghouse). This store is not affiliated with or endorsed by the Forest Service.

About the Threemile Buttes quad

The Threemile Buttes quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 7.1 × 9.5 mi of Powder River County, Montana. It overlaps Custer Gallatin National Forest. The GeoPDF is 2.3 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.
  1. 1Tap “Get this map”: it’s added to your free account.
  2. 2Open the Cartahaven app on your phone and sign in.
  3. 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

37 named features inside the Threemile Buttes — 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

and 12 more

Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.

More maps of Custer Gallatin National Forest.

TopographicHikingHuntingCampingForestryBackpackingfstopo

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Version history

  1. Version 1 · Nov 8, 2026 · 2.3 MB