Quick Answer
GPS device is a valuable tool, but not strictly necessary for navigating public land, especially if you're familiar with the terrain and have a detailed map.
Understanding the Terrain
When venturing into public land, it’s essential to know the terrain, including elevation, slope, and water sources. Familiarize yourself with the land by studying maps, and consider hiring a guide or joining a hunting group to gain local knowledge. Bring a compass and learn to use it to supplement your GPS device, as batteries can drain quickly.
Map Reading and Navigation
Even without a GPS device, you can navigate using a topographic map and compass. Learn to read contour lines, and use the map to estimate distances and elevation changes. Practice using a protractor to measure angles and determine the direction of landmarks. Bring a whistle or other signaling device in case of an emergency.
Essential Gear for Wilderness Navigation
In addition to a map and compass, consider carrying a GPS device with a battery life of at least 20 hours. Don’t rely on battery power alone; bring a backup power source, such as spare batteries or a portable solar panel. A GPS device with a built-in altimeter and barometer can also help you navigate and track changes in elevation and atmospheric pressure.
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