Garmin’s compact eTrex weighs only 6 ounces and measures just 4 inches high and 2 inches wide. The 12-parallel-channel GPS can store 500 waypoints, and its TracBack feature reverses your track log to lead you out of the woods and back to your truck. The five operator buttons sit on the sides of the eTrex for easy, one-hand use.Truly user-friendly and idiot-proof. About $145. % 800-800-102