USGS Topographic Maps on your iPhone / iPod Touch
Also includes Canadian topographic maps
March 17th 2018 - More Experimental Servers: AK, MT, UT, WA (read more...)
iPad version, "Topo Maps for iPad", also available
Find an interesting area:
Zoom in to the individual maps:
Or search by name:
View the selected map:
Mosaic adjacent maps:
Show your current position:
Measure distance and bearing:
Compute what's visible:
Search for local features:
Show search results:
View waypoint files:
Show on map:
Rotate using compass:
Type in co-ordinates:
Go to other apps:
Once you have installed a map it can be viewed without any network connection. So download your
maps before you leave home, and then don't worry about needing cellular or WiFi coverage.
Map downloads are free - all you pay is the initial price of the app.
For a complete walk-through of all the app's features, see the
Quick Start page and the User Guide.
Get it now
Topo Maps is now available from Apple™'s App Store in the
Navigation category for only $7.99.
There is a separate
app for the iPad.