Mount Williamson, 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 Mount Williamson quad
The Mount Williamson quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 8 × 9.6 mi of Inyo and Tulare counties, California. It overlaps Inyo National Forest, Kings Canyon National Park and Sequoia National Park. The GeoPDF is 1.6 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
24 named features inside the Mount Williamson — 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
- Golden Bear Lake · lake
- Lake Helen of Troy · lake
- Wright Lakes · swamp
Gaps, arches and other landforms
- Center Basin · basin
- Diamond Mesa · bench
- Forester Pass · gap
- Junction Pass · gap
- Mahogany Flat · flat
- Shepherd Pass · gap
- The Pothole · basin
- Williamson Bowl · 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 Inyo National Forest, Kings Canyon National Park and Sequoia National Park.
Maps nearby
More maps around here ›
Mount Williamson, CA
Detailed map of terrain, trails and roads
USGS topo, 2021

Mount Whitney, CA
Old map for history, not navigation
USGS historical 15-minute topo (1956)

Mount Whitney, CA
Old map for history, not navigation
USGS historical 15-minute topo (1967)

Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Southern Sierra — Inyo National Forest

Mount Whitney 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · California

Sequoia National Forest
Forest Service forest map
Version history
Version 1 · Nov 8, 2026 · 1.6 MB