Chrome, 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 Chrome quad
The Chrome quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 7.4 × 9.3 mi of Glenn County, California. It overlaps Mendocino National Forest. The GeoPDF is 1.7 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
7 named features inside the Chrome — 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
- Bald Hill
- Red Mountain
- Rocky Ridge · ridge
Lakes, springs and falls
- Bearwallow Spring · spring
- Dry Lake Reservoir · reservoir
- East Reservoir · reservoir
Gaps, arches and other landforms
- Burrows Gap · 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 Mendocino National Forest.
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Land Ownership Maps from BLM Data · California

Mendocino National Forest
Forest Service forest map
Version history
Version 1 · Nov 8, 2026 · 1.7 MB