Run Class III–IV rapids near Boston on a half-day spring rafting trip
3 Hour
Wetsuit, helmet, life jacket
Take on the Concord River on an early-spring whitewater rafting run just north of Boston. You’ll run Class III–IV rapids and repeat the section twice for more time on the water.
Minimum age is 14, and guests must be willing and able to follow instructions and wear a helmet and personal flotation device. Trips are spring-only on select weekends April through May and may be modified or canceled due to water flows. Helmet fit is up to 62 cm head circumference, and PFD fit is up to 56 in chest size.
If you cancel more than 30 days before your trip date, a $10 per person cancellation fee is retained. If you cancel 30 days or less before your trip date, you forfeit the entire cost of your trip. Reservations are transferable to another person, but not another date. No-shows are charged the full price.
Please arrive 15 minutes before your start time to register. Trips start on time; if you arrive late, you may not be accommodated and late arrivals are not refunded.
Registration takes place at 650 Suffolk St, Lowell, MA 01854. There is a side parking lot across a small bridge for guest parking; walk through the security building to get through the gate.
Yes. Each person in your group needs to sign a waiver before arriving. Participants under 18 must also have a parent or legal guardian sign.
Lowell, MA
Zoar Outdoor has built a genuine reputation as a top-tier whitewater destination, drawing praise not just for thrilling rafting trips but for its serious educational programs too. Guides like Ethan, Jasper, Calvin, and Big Dog get called out repeatedly for their skill, warmth, and ability to make both beginners and seasoned paddlers feel at ease on the water. One reviewer even ranked their swift water rescue training alongside nationally recognized paddling centers, which says a lot. The instruction side of the operation is particularly impressive. Kayak clinics, pool rolling sessions, and rescue courses are consistently described as well-organized, patient, and genuinely effective. Instructors including Mike, Sarah, Amanda, and Katrina are praised for personalizing their coaching and getting real results. It's the kind of place where people come once and keep coming back to sharpen their skills season after season. Family groups, first-timers, and experienced paddlers all seem to find something that fits here. The vibe is friendly and community-oriented without feeling watered-down or overly commercial. If you're looking for a river experience where the staff actually knows what they're doing and clearly loves the sport, this is a solid choice.
We had a really fun trip with Captain Calvin! Highly recommend.
Mary Beth King
April 26, 2026
We had a really fun trip with Captain Calvin! Highly recommend.
Mary Beth King
April 26, 2026