Cache, IL 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 Cache quad
The Cache quadrangle is a Forest Service FSTopo 7.5-minute map at 1:24,000 covering about 8.4 × 9.9 mi of Alexander County, Illinois. The GeoPDF is 1.0 MB.
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 Cache — 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
- Grand Lake · lake
- Lake Milligan · lake
Gaps, arches and other landforms
- Billings Island · island
- Brooks Point · cape
- Buffalo Island · island
- Bumgard Island · island
- Dogtooth Island · island
- Island Number 28 · island
- Island Number 29 · island
- Missouri Sister Island · island
- Price Towhead (historical) · island
- Sliding Towhead · island
- Thompson Towhead · island
Elevations are the USGS 3DEP ground elevation at the named point, rounded; a summit's surveyed height can differ a little.
Maps nearby
More maps around here ›
Cache, IL-MO
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USGS historical 15-minute topo (1934)

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USGS historical 15-minute topo (1939)

Thebes, IL
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USGS historical 15-minute topo (1955)

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Version history
Version 1 · Nov 8, 2026 · 1.0 MB