Proceed with confidence when heading off-road or off-trail with the second edition of Wilderness Navigation. Whether you are climbing a glacier, orienteering in the backcountry, or on an easy day hike, this book covers all the latest technology and time-tested methods to help you learn to navigate - from how to read a map to compasses and geomagnetism. The GPS chapter is completely updated to reflect newer models and features. It is also expanded to include a section on route-finding on glaciers, along with additional information on changing declination. Includes extensive illustrated examples of orientation and navigation.