Join Greater Boston NEMBA and the Massachusetts Department of Conservation and Recreation for an epic day of riding and fun at our Mountain Bike Series Middlesex Fells fundraiser season opener!

GBNEMBA's Mountain Bike Adventure Series (MBAS) event raises money to help support stewardship in the Fells.

• Where: Flynn Rink parking lot, Middlesex Fells Reservation  300 Elm St. Medford, MA.
• When: Registration opens at 9:00am - 1:00pm. First led ride leaves at 9:30am. Event closes at 3:00pm.
• Featuring: Guided rides. Marked courses. Kids & family group ride. Food & participation from local bike shops.

$10 for NEMBA members, $25 for non-members. Free for kids under 15yrs with parent or guardian.

Learn More & Register