Friday, June 21, 2013

Learn about geocaching on trail hike - U-T San Diego

Learn about geocaching on trail hike - U-T San Diego:


Learn about geocaching on trail hike
U-T San Diego
The outing will highlight geocaching, a treasure hunting game where participants use a global positioning system to hide and find containers with others playing the game. Geocaches may be hidden along the trail. GPS units will be available to borrow.