GPS units have made backcountry navigation easier than ever. While it is always good to have traditional means of navigation while backpacking (ie. a map and compass), GPS units can make navigation enjoyable and provide additional opportunities for exploration.
Modern GPS units are more reliable than ever, with higher precision and stronger antennas to receive location signals in canyons, forests, and even amongst skyscrapers and urban canyons. In addition, newer GPS units offer an entire suite of features that enhance the outdoors and navigational experience.
Wilderness Navigation is an ideal book for learning how to route find in the wilderness. This guide covers multiple means of navigation, including map-and-compass and gps route-finding.