Bonanza, CO 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 Bonanza quad
The Bonanza quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 7.8 × 9.5 mi of Saguache County, Colorado. It overlaps Rio Grande National Forest and Pike and San Isabel National Forests. The GeoPDF is 1.9 MB.
All Colorado Forest Service FSTopo maps · Colorado 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
14 named features inside the Bonanza — 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
- Mosquito Lake · reservoir
Gaps, arches and other landforms
- Antora Meadows · flat
- The Gate · gap
- Windy Point · 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 Rio Grande National Forest and Pike and San Isabel National Forests.
Maps nearby
More maps around here ›
Bonanza, CO
Detailed map of terrain, trails and roads
USGS topo, 2022

Bonanza, CO
Old map for history, not navigation
USGS historical 15-minute topo (1959)

Saguache Ranger District
Forest roads and trails open to vehicles
West Motor Vehicle Use Map (MVUM) — Rio Grande National Forest (2025)

Saguache Ranger District
Forest roads and trails open to vehicles
East Motor Vehicle Use Map (MVUM) — Rio Grande National Forest (2025)

Saguache 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Colorado

Gunnison District Motor Vehicle Use Map (MVUM) (South)
Forest roads and trails open to vehicles
Grand Mesa, Uncompahgre and Gunnison National Forests (2025)
Version history
Version 1 · Nov 8, 2026 · 1.9 MB