See also:

• Regional: North America: United States: Recreation and Sports: Outdoors  (7)
• Society: Issues: Environment: Organizations: Regional: North America: United States  (43)

• Appalachian Mountain Club - Members from Maine to Virginia participate in hiking, paddling, skiing, and other outdoor activities. Includes links to lodging destinations, local chapters, membership, conservation programs, and outdoor activities.
• Appalachian Mountain Club, New York-North Jersey Chapter - Participates in backpacking, bicycling, camping, canoeing and kayaking, climbing, sailing, social events, and conservation efforts. Schedule of upcoming events. Membership and contact information, plus trip reports, photos, and newsletter. (New York and New Jersey)
• Leave No Trace - Encourages responsible, non-motorized outdoor activities with minimal impact on public recreational areas. The program provides education in outdoor skills and ethics.
• Mosaic Outdoor Clubs of America - A network of non-profit organizations dedicated to outdoor activities for Jewish adults, offering hiking, biking, camping, boating, rock climbing, backpacking, skiing, and diving. Local chapter information, photos, organizational information, and an events listing.
• National Recreation and Park Association - Contains newsletter, events, awards, mission statement, training and education facilities, officers, and contacts. Located in Ashburn, Virginia.
• New Mexico Mountain Club - Activities include hiking, technical rock climbing, backpacking, camping, snowshoeing, skiing, and cycling on all skill levels. Includes general meeting schedule, activity and membership details, and contact information. Located in Albuquerque.
• The Outdoors Club - Organization with chapters across the United States participates in hiking, camping, climbing, biking, kayaking, rafting, and skiing. Includes schedule, articles, pictures, discussion forum, and membership information.
• Wild Side Adventure Sports - Young professionals in the New England area participate in skiing, rafting, biking, hiking, and social events. Includes schedule and pictures.
• Wilderness Trekkers - Non-profit organization promoting responsible use of the outdoors through educational and recreational hiking, camping, backpacking, and canoeing. Based in Central Florida.