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geocache
Letterboxing/Geocaching 101
Mount Greylock State Reservation Visitor Center 30 Rockwell Road, LanesboroughAll ages. Discover this treasure-hunting hobby. Guided hike to learn how to use clues and a GPS device, navigate trails and find "treasures boxes". Bring your own GPS device; supplies are limited. Dress for variable weather. Bring bug spray, water,…