Join Rich Taylor and Lee Baker for a moderately strenuous, 4-mile roundtrip hike through blueberry barrens to the top of Crotched Mountain. Bring lunch, and meet at 10 a.m. at Oak Park near the intersection of Route 136 and Forest Road in Greenfield, across the street from Greenfield State Park. Back by 3:30 p.m. For more information, please contact Rich or Lee.