1. Garmin Foretrex 401 Waterproof Hiking GPS (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Features high-sensitivity GPS receiver with HotFix for improved performance and reception in heavy tree cover or deep canyonsKeeps track of routes, tracks and waypoints, and heart rate with add on heart rate monitor (sold separate). Uses standard AAA batteries. 2 required.

2. Lagute EK-1 Pocket Waterproof Military Multifunction Metal Compass (Camouflage) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
Classic military style compass with green powder-coated aluminum case.Liquid-filled compass with 2-degree increments and easy-to-Read Dial.

3. KeyGear Clear Compass, Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Liquid-filled compassKeeps North arrow steady

4. Ambient Weather WM-4 Handheld Weather Station w/ Windspeed, Direction, Temperature, Humidity, Compass, Dew Point, Comfort Index, Psychrometer (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
The Ambient Weather WM-4 is a comprehensive handheld weather station, directional compass, heat index monitor and psychrometer, all in one compact, portable, rugged package.The WM-4 measures wind speed, wind direction, temperature, relative humidity and compass direction, and calculates wind gust, dew point, wet bulb and dry bulb temperature, Delta T, wind chill and heat index.

5. Freehawk 4 in 1 Altimeter Barometer Meter Scale with Compass and Thermometer to Measure Direction, Altitude, Temperature and Air Pressure, Comes with a Hook for Climbing, Hiking and Skiing (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Highly precise altimeter-barometer to accurately measure atmospheric pressure and altitudeAltimeter measuring range: 0~5000m