Great Bay National Estuarine Research Reserve 37 Concord Road, Durham, NH 03824, 603-868-1095, Providing everything you need to know about the Great Bay Estuary administered by the New Hampshire Fish and Game Department, and Marine Fisheries Department. 

Oyster River Youth Association 11 Schoolhouse Lane, Durham, NH 03824, 603-868-5150, Provides inclusive, fair, diverse and developmentally appropriate recreational programs to the youth of Durham, Lee and Madbury. more... 

Seacoast Area Bicycle Routes P.O. Box 765, Durham, NH 03802, 603-773-1629, Dedicated to connecting the seacoast region with a network of bicycle-friendly routes. They also work to raise awareness of bicycles as a viable transportation alternative and increasing the number of bicycle riders in the region via a number of outreach programs including a bicycle safety education program, guided bicycle rides, publication of maps, and an annual bicycle Expo.  more...