Onion Valley, 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 Onion Valley quad
The Onion Valley quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 8 × 9.8 mi of Plumas County, California. It overlaps Plumas National Forest. The GeoPDF is 2.1 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
25 named features inside the Onion Valley — 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
- Bottle Springs · spring
- Cold Springs · spring
- Delahunty Lake · lake
- Fowler Lake · lake
- Lost Cabin Spring · spring
- Onion Valley Reservoir · reservoir
Gaps, arches and other landforms
- Limestone Point · cliff
- Monitor Flat · flat
- Rocky Point · cliff
- Sawmill Flat · flat
- Sawpit 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 Plumas National Forest.
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Version history
Version 1 · Nov 8, 2026 · 2.1 MB