Bike with a Ranger

Duck Island Wastewater Treatment Facility 451 First Street Boulevard, Lowell

Join rangers on National Ride a Bike Day for a 3.4-mile round trip ride along the Centralville River Path. Take in views of the mills and learn about the water […]

Free

Nature Explorers: Trails and Maps (Registration required)

Discovery Museum Discovery Museum, 177 Main St, Acton

May 5, 12, 19, and 26 10:00am – 11:30am What: Join our outdoor educator for a series of outdoor explorations. In this series we will focus on navigating trails and […]

$40