Non-profit volunteer organization organized and operated to enhance interpretative, educational, recreational and research programs, and events. Includes membership details and contact information.

Activities include backpacking, bicycling, camping, canoeing, cross country skiing, hiking, and courses in backpacking and wilderness survival. Offers schedule, organizational information, and specific activity pages. (southern New Jersey)

Organizes backpacking, climbing, and paddling trips. Includes leader training information, backpacker's manual, equipment list, and first aid and safety. (Princeton)