All ages and skill levels are encouraged to participate!

Racers can compete individually or in teams of four, and everyone is encouraged to compete in costume. All ages and skill levels are encouraged to participate! Hidden Valley is full of puzzles, mystery, missions and secrets. All waiting for you to discover. Midcoast Conservancy will host its ninth annual Biathlon at Hidden Valley Nature Center in Jefferson, this time in the summer! A truly extraordinary experience for everyone.
Midcoast Conservancy Summer Biathlon Hidden Valley Nature Center | Sat, Jul 11 | All Ages CANCELLED Midcoast Conservancy will host its ninth annual Biathlon at Hidden Valley Nature Center in Jefferson, this time in the summer! Midcoast Conservancy Summer Biathlon Hidden Valley Nature Center | Sat, Jul 11 | All Ages CANCELLED Midcoast Conservancy will host its ninth annual Biathlon at Hidden Valley Nature Center in Jefferson, this time in the summer! All ages and skill levels are encouraged to participate. Midcoast Conservancy will host its ninth annual Biathlon at Hidden Valley Nature Center in Jefferson. Racers can compete individually or in teams of four, and everyone is encouraged to compete in costume. All ages and skill levels are encouraged to participate! Welcome to Hidden Valley in Devon. Racers can compete individually or in teams of four, and everyone is encouraged to compete in costume. Midcoast Conservancy will host its eighth annual biathlon at Hidden Valley Nature Center in Jefferson on Saturday, Feb. 29. Join Hidden Valley Nature Center on Sunday, January 26, 2014 for the third annual Liberal Cup Biathlon. Set amongst the rolling hills of North Devon and open all year, Hidden Valley Touring Caravan and Holiday Park is justly proud of its growing list of awards. Racers can compete individually or in teams of four, and everyone is encouraged to compete in costume. Racers can compete individually or in teams of four, and everyone is encouraged to compete in costume. All ages and skill levels are encouraged to participate! Midcoast Conservancy will host its eighth annual Biathlon at Hidden Valley Nature Center in Jefferson. Racers can compete individually or in teams of four, and everyone is encouraged to compete in costume. Try one of Moriarty’s Missions, fast paced challenges against the clock. All ages and skill levels are encouraged to participate! Venture into the Forbidden Mansion and discover countless rooms including the shrinking corridor, the upside down dining room, and the grand hall. Cookie Notice: This website uses cookies, including tracking cookies from Google Analytics.