Row, Row, Row Your Boat -- Pretend you're Henry David Thoreau and take to the Concord River. The South Bridge Boathouse, 496-502 Main St. (tel. 978/369-9438; www.canoeconcord.com), just over half a mile west of the town center, will rent you a canoe for about $17 an hour on weekends, less on weekdays. Single and double kayak rentals are available, too.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.