Summer Camp Is Back!

Safe outdoor nature camps from June 21-August 6, 2021 for students ages 4-16.

Registration is open until classes fill.

Hike It All!

Would you like to experience all the Beaver Brook Trails and earn a custom Trail Bandana?

You can take a map and a checklist and go on your own. Or you can join our Trail Trackers and see all the trails Beaver Brook has to offer with a naturalist and hike leader.

Environmental Education

From Natural Wonders for preschoolers to adult full moon hikes and wildflower walks, Beaver Brook has something to offer everyone. We offer outdoor learning opportunities at schools, libraries and other venues. Join us for healthy and safe environmental education experiences.  Phone or email us at for more information.

Earth Day 3K or 5K Hike or Trail Run

Follow the trail on your own any time between April 23-26th, 2001.  Organized by the Rivier University Biology Club to benefit Beaver Brook Association .  

 COVID-19 Announcement

All Beaver Brook trails are open. (Be aware there is a timber harvest on the Jeff Smith Trail south of Rt 130)  The office is open M-F 9am- 3 pm.  We are and will continue to offer outdoor programming (It’s our mission!)  Please wear a mask and follow the Center for Disease Control and NH State Guidelines during the ongoing COVID-19 pandemic:

  1. Stay home when feeling ill
  2. Increase hygiene practices, including: (a) handing washing and frequent use of hand sanitizer (b) avoid touching the face, eyes or mouth
  3. Wear a cloth face covering if you are in an area with other people. Beaver Brook requires the use of masks in all their programs.
  4. Maintain physical distancing from people not in your household which means keeping a distance of at least 6 feet or more
  5. Please continue to abide by all existing Beaver Brook rules and the principles of “Leave No Trace”


Dedicated To Environmental Education & Natural Resources


Beaver Brook Association is a private nonprofit environmental center in southern New Hampshire founded in 1964.


Beaver Brook trails and grounds are open free to the public dawn to dusk 365 days a year. The office is temporarily closed to the public due to the COVID-19 virus. Staff will monitor the phone, email and social media. We sincerely appreciate your support and understanding. Please enjoy the outdoor spaces using 6′ social distancing.


Beaver Brook provides year-round environmental education opportunities for all ages.


Beaver Brook trails, gardens, and outdoor classrooms are supported by generous donors like you.


Connecting people to nature is what we do. School programs, preschool, adult and family events occur during all seasons. Over 6,000 school students attended programs here this year.


Beaver Brook offers 35 miles of well maintained trails.   Be sure to take a map! Well behaved dogs are allowed on a leash.  Multi-purpose trails permit horseback riding, and mountain biking .


The Maple Hill gardens include 13 impressive theme gardens, a Victorian gazebo, a wisteria arbor, 350 species of flowers and shrubs and a demonstration compost court.



The Beaver Brook office at Maple Hill Farm is located 1 mile off of Rt. 122 in Hollis NH. Beaver Brook trails may be accessed from several different public roads. Trails: Our trails are open to the public, 365 days a year, from dawn until dusk. When planning your hike, consult the map first.


Beaver Brook relies on contributions from our visitors and the community to maintain our lands, trails and the many historic buildings used for environmental education programs. Use the DONATE button  to create or renew your membership.


Bring your group to Beaver Brook Association and experience nature firsthand. We have meeting rooms and classroom space to accommodate groups from small to large. We can provide customized environmental programs to enhance your day’s event. Come out and discover nature!


Beaver Brook is a regional nature center where tens of thousands of people a year come to learn about and enjoy spending time in nature. The organization began in 1964 and has grown to encompass 2187 acres of conserved land with 35 miles of trails for the public to use year round.