Porcupine Ridge — Forest Service FSTopo 7.5-minute quad
by Forest Service FSTopo Quads (public domain), US
Free
A free GeoPDF for offline GPS in the Cartahaven app, with free updates. How it works offline
USDA Forest Service FSTopo 1:24,000 quadrangle for Porcupine Ridge. Unlike the USGS US Topo of the same area it shows Forest Service road and trail numbers, national forest ownership (land that is not National Forest System land is shaded), the Public Land Survey grid, campgrounds, trailheads and Forest Service facilities. FSTopo Legacy edition (static since 2023).
Public domain map from the USDA Forest Service (FSGeodata Clearinghouse). This store is not affiliated with or endorsed by the Forest Service.
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
More maps of Apache-Sitgreaves National Forests.
Maps nearby
More maps around here ›
Porcupine Ridge, AZ
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USGS topo, 2021
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USGS historical 15-minute topo (1961)
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Snowmobile Map
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Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
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Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Version history
Version 1 · Nov 6, 2026 · 2.0 MB