Jacks Butte, 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 Jacks Butte quad
The Jacks Butte quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 8 × 9.9 mi of Modoc County, California. It overlaps Modoc National Forest. The GeoPDF is 1.1 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
16 named features inside the Jacks Butte — 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
- Antelope Plains · lake
- Antelope Reservoir · reservoir
- Dobe Swale · lake
- Essex Reservoir · reservoir
- Essex Spring · spring
- Essex Tank · reservoir
- Fairchild Swamp · swamp
- Jacks Butte Tank · reservoir
- Jacks Swamp · swamp
- Little Porcupine Tank · reservoir
- Mapes Reservoir · reservoir
- Pine Spring · spring
- Reservoir F · reservoir
- Reservoir N · reservoir
Gaps, arches and other landforms
- Porcupine Rim · cliff
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
More maps of Modoc National Forest.
Maps nearby
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Jacks Butte, CA
Detailed map of terrain, trails and roads
USGS topo, 2021
Jacks Butte, CA
Old map for history, not navigation
USGS historical 15-minute topo (1962)
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Version history
Version 1 · Nov 8, 2026 · 1.1 MB