Welcome to the Denison Pequotsepos Nature Center

For nearly 70 years, we have provided visitors and the greater Mystic community the opportunity to experience nature first hand, whether it be on the 10 miles of trails on land owned by the Denison Homestead and Avalonia Land Conservancy, in our natural history museum, our Nature Store, or as part of one of our many programs. The creation of the Coogan Farm Nature and Heritage Center in 2013 has added additional layers of education, history, and ecology to our offerings.

Our mission is to inspire an understanding of the natural world and ourselves as part of it – past, present and future. It is our hope that through DPNC and Coogan Farm that we will help our visitors foster a personal environmental ethic.

Register for summer camp 2015

Download Trail Map  Become a member  Membership renewal

  Download Summer 2015 Programs    2015 Wild Mushroom Festival

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Come with us and explore the wonders of our region


What a long winter it was! I’m sure you are as excited as we are to see the natural world around us begin to turn green!

To celebrate the warmth and sunshine we have more programs scheduled for May through August than ever before! Come explore areas in our neighborhoods — the Nature Center, Coogan Farm and beyond — that we share with wildlife. During our monthly Full Moon walks, Birding Fridays, Pequotsepos Hikers and other planned outings, we will introduce you to wonderful properties protected by Avalonia Land Conservancy, Groton Open Space Association, Stonington and Westerly land trusts as well as national wildlife refuges including Trustom Pond and Sachuest Point.

Whether you are new to the area, just passing through, or a longtime loca, we have programs designed to teach you something new about the world in which we live. Oh, and have fun as well! Everyone needs to relax and just take it in sometimes, so we invite you to check out Happy Hour Around the Campfire for adults, our Summer Symphony night walks for families, and our Family Nature Nights for some great, relaxing fun!

Nature will inspire you to get up, get moving and spend time outside! Join us!