Duncan Peak, CA 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 Duncan Peak quad
The Duncan Peak quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 8.3 × 9.9 mi of Placer County, California. It overlaps Tahoe National Forest. The GeoPDF is 2.4 MB.
All California Forest Service FSTopo maps · California 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
23 named features inside the Duncan Peak — 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
- American Hill
- Barney Cavanah Ridge · ridge
- Big Valley Bluff · ridge
- Canada Hill
- Cherry Point
- Deadwood Ridge · ridge
- Duncan Peak
- Hogback · ridge
- Little Bald Mountain
- Macedon Ridge · ridge
- Mosquito Ridge · ridge
- Sawtooth Ridge · ridge
- Sugar Pine Point
- Whisky Hill
Lakes, springs and falls
- Dawson Spring · spring
- Government Spring · spring
- Skunk Spring · spring
- Tadpole Spring · spring
- Texas Hill Spring · spring
Gaps, arches and other landforms
- Ford Point · cape
- Oak Flat · flat
- Robinsons Flat · flat
- Sailor Flat · flat
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
More maps of Tahoe National Forest.
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Duncan Peak, CA
Detailed map of terrain, trails and roads
USGS topo, 2022

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Forest roads and trails open to vehicles
Sheet 3 Back, American River (2026)

Duncan Peak, CA
Old map for history, not navigation
USGS historical 15-minute topo (1952)

Tahoe National Forest Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Sheet 3 Front, American River (2026)

Tahoe National Forest Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Sheet 2 Back, Yuba River South (2026)

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Land Ownership Maps from BLM Data · California
Version history
Version 1 · Nov 8, 2026 · 2.4 MB