[Editor’s note: Download free USGS topoquads and use the GPS and maps when you’re out hiking beyond cell reception and when Google Maps tiles don’t work (and don’t have good contour lines, creeks, or trails on them anyways). I’ve used the app and it works exactly as advertised. Thanks Martin!]
Republished in part from Martin’s posts at BackpackingLite.
Just downloaded and started using a new topo app for the iphone called iTopoMaps ($15) (web site). Looks like someone who backpacks and programs has gotten around to designing a topo map application. (There is another app called TopoPointUSA for $10 but I don’t like it as much.)
This app allows you to download and cache USGS topos on your phone freely downloadable through the phone in advance before your hike so that you can use the iPhone while in the wilderness, no need a 3G or cell phone signal. Turns the iPhone into probably the best mapping GPS with no fees to pay for maps.
I used this in Shenandoah today and it worked well. Still no route planning (track or GPX) functionality but apparently it’s coming. It does allow to create waypoints. This app may be what finally justifies my iPhone after 8 months of love/hate.
- Full 1:24k USGS Quads that can be locally cached on your iPhone
- Scrollable multi-zoom map interface (likeGoogleMaps!)
- Full 50 states
- Goto Waypoint – distance and bearing
- Magnetic Declination Calculations
- GNIS Database for looking up features and identifiying them on the map!
I think the app hits the USGS google topo map server and downloads the image pyramids there. But they are free and will likely remain free.
You acquire the topos by tapping the screen while connected to the internet. So it does require a signal initially while planning and also requires some advance planning. But I cached all of Shenandoah yesterday before leaving my house while connected to broadband without any problem ( I have about 12Gb of free space on my phone so that helps). Those quads are now stored on my phone and since I visit Shenandoah very frequemtly they will stay on my phone for my next trips. No memory cards to fiddle with, no extra fee to pay to TOPO or Delorme or Garmin. FREE USGS topo Maps.