Great Bay National Estuarine Research Reserve

Great Bay National Estuarine Research Reserve Lands for all Reserve properties are open dawn to dusk every day, Discovery Center building is open Tues-Sat, 10am-4pm, through October 24th 2026.

Great Bay National Estuarine Research Reserve (GBNERR) is an estuary comprised of 7,300 acres of tidal waters and 2,935 acres of coastal land. GBNERR was designated on October 3, 1989 to focus on four priority topics, including land conservation, water quality, habitat and biological communities, and climate change impacts and adaptation. The combination of stewardship, research, and education add

ress these primary topics. Stewardship priorities at Great Bay focus on upland and intertidal resource management. Properties are managed to sustain wildlife and fish populations in balance with human uses. GBNERR implements monitoring programs to evaluate and track water quality, habitat conditions, and species populations in Great Bay and its watershed. The research projects of GBNERR address the four priority topics noted above. The Coastal Training Program provides science based training resources to individuals who are responsible for making decisions that affect coastal resources. The purpose is to ensure that coastal decision makers have the tools they need to address critical resource management issues. The vision of the CTP is ecosystem-based management of coastal resources based on sound scientific knowledge and the understanding of long-term environmental, social, and economic consequences of management decisions and actions. The Great Bay Discovery Center opened in 1996 as the education headquarters of GBNERR. Education programs at the Discovery Center convey scientific information to school groups, interested adults, public decision-makers, and others. Adjacent to the Discovery Center is the Hugh Gregg Coastal Conservation Center which showcases exhibits on upland habitats and also serves as a training facility for a variety of workshops.

We love working with Eagle Scouts-they are knowledgeable, hardworking, and get a lot of support from the community!  Our...
09/03/2026

We love working with Eagle Scouts-they are knowledgeable, hardworking, and get a lot of support from the community! Our newest Eagle Scout Candidate, Brett, is going to help us build a wildlife watching blind for the public. Support Brett and the Great Bay Discovery Center, plus drive away with a sparkling clean car! Brett is holding his fundraising carwash on Saturday September 5th, 9am-3pm, at the Sunoco at 66 Portsmouth Ave in Exeter. Thank you in advance for your support!

09/03/2026

Well, this is a friend, but he or she was not feeling very friendly when we happened upon it in the woods the other day...maybe it was feeling surprised! We let it be to go about being a snake πŸπŸ’š

09/03/2026
We found a beautiful eastern black swallowtail caterpillar in the kids' garden club gardens a few weeks ago, and it has ...
09/02/2026

We found a beautiful eastern black swallowtail caterpillar in the kids' garden club gardens a few weeks ago, and it has since pupated into a beautiful male butterfly!

Here's yet another reason to monitor salt marsh plants- this new research done by our colleagues at Boston University sh...
09/02/2026

Here's yet another reason to monitor salt marsh plants- this new research done by our colleagues at Boston University show plants are excellent indicators of methane emissions, which is a powerful greenhouse gas. As tides and temperature reshape marshes, changes in plants can help inform changes in greenhouse gases. Read more at https://phys.org/news/2026-08-scientists-climate-benefits-tidal-marshes.html.

09/01/2026

Today, 9/1, Oyster Season opens pending local conditions, call 1-800-43-CLAMS

Do you appreciate the beautiful gardens at the Discovery Center property?  Most are adopted by volunteers....if see one ...
09/01/2026

Do you appreciate the beautiful gardens at the Discovery Center property? Most are adopted by volunteers....if see one working hard, feel free to compliment their garden space πŸ’šπŸŒΏ

The Discovery Center will be closed Saturday September 12th.  The outdoor areas are open dawn to dusk, every day.
09/01/2026

The Discovery Center will be closed Saturday September 12th. The outdoor areas are open dawn to dusk, every day.

We love estuaries every day, but in 3 weeks we will celebrate even more during   🩡🌊🌱 Celebrate   with us by participatin...
08/31/2026

We love estuaries every day, but in 3 weeks we will celebrate even more during 🩡🌊🌱 Celebrate with us by participating in one of our free and fun programs! Get details, including the schedule and registration links, at https://greatbay.org/national-estuaries-week/ and see our Facebook event for updates NH Fish and Game Great Bay Stewards National Estuarine Research Reserve Association National Oceanic and Atmospheric Administration (NOAA) NOAA Digital Coast National Estuaries Week 2026

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89 Depot Road
Greenland, NH
03840

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