Duo, WV 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 Duo quad
The Duo quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 7.6 × 9.3 mi of Greenbrier County, West Virginia. It overlaps Monongahela National Forest. The GeoPDF is 1.7 MB.
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
24 named features inside the Duo — 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
- Beech Knob
- Beech Ridge · ridge
- Big Clear Creek Mountain · ridge
- Blue Ridge · ridge
- Briery Knob (historical)
- Bush Place Knob
- Charley Knob
- Grassy Knob
- Job Knob
- Joe Knob
- Kuhn Ridge · ridge
- Little Beech Knob
- Little Clear Creek Mountain · ridge
- Middle Mountain · ridge
- Nunly Mountain · ridge
- Old Field Mountain · ridge
- Point Mountain · ridge
- Rockcamp Ridge · ridge
- Sam Ridge · ridge
- Shellcamp Ridge · ridge
- Smokehouse Ridge · ridge
- Wildcat Knob
Gaps, arches and other landforms
- Kuhn Glades · flat
- LaFayette Bottom · basin
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
More maps of Monongahela National Forest.
Maps nearby
More maps around here ›
Duo, WV
Detailed map of terrain, trails and roads
USGS topo, 2023

Richwood, WV
Old map for history, not navigation
USGS historical 15-minute topo (1918)

Richwood, WV
Old map for history, not navigation
USGS historical 15-minute topo (1923)

Richwood, WV
Old map for history, not navigation
USGS historical 15-minute topo (1935)

Richwood, WV
Old map for history, not navigation
USGS historical 15-minute topo (1939)

Gauley Ranger District Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Monongahela National Forest (2025)
Version history
Version 1 · Nov 8, 2026 · 1.7 MB