Access Anything – Adventure travel for people with disabilities
National Parks: Accessible to Everyone – National Park Service guide to accessible trails, camping, picnic areas, services and programs
California State Parks, Accessible Features – Searchable database
Massachusetts DCR Universal Access Program – Adaptive, accessible recreation in MA state parks
Rails-to-Trails Conservancy – Nonprofit building accessible biking and trails across the US
TrailLink.com – Searchable database from Rails-to-Trails Conservancy
Wilderness Inquiry – Accessible adventure programs including paddling trips
Disabled Sports USA – National nonprofit with chapters in every region
National Ability Center – Outdoors sports and recreation in Park City, UT
National Center on Physical Activity and Disability
National Sports Center for the DisabledAccess to Recreation – Adaptive recreational and sporting equipment