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GPS navigation isn't just for motorists. Handheld units for hikers can help guide you from point A to point B in the woods. And some help even more with a topographical map pinpointing your location on the local terrain.
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Those devices will display a route as a straight line, so it's up to you to avoid obstacles such as steep drops and rivers. They do record your route for return-trip guidance, and you can share your coordinates in case of an emergency.
Some can also display other information, such as hunting, fishing, and sunrise/sunset calendars. Maps include roadways, but the units we tested don't provide turn-by-turn driving directions.
Geocaching, a growing hobby involving treasure hunting on the trail, is also a popular use for the devices.
We tested seven models, all of which ...