Canyoneering Explorer uses your specific location through your Iphone GPS or lets you choose any State and County within that state to get all the listing of Butte, Canyons, Slot Canyons, Cliffs, Arches around that region that you select (FEATURES IN APP ARE ONLY THE FEATURES FOUND ON USGS GUAD MAPS/SOME FEATURES YOU MAY KNOW OF MAY NOT BE ON THE APP). Once you have found a feature click the balloon and it will show you the details such as Name, Longitude and Latitude, Elevation of each. You can also get the directions on map to any selected feature from your current location with the estimated time required to reach that place.