I found a list of challenge courses for people with disabilities...I'm not actually someone with a disability, so sorry if this sounds offensive...I'm a
Girl Scout who wants to help disabled people...so here's a list of Adventure Challenges for people with disabilities:

Bradford Woods
Indiana University's Outdoor Center
www.bradwoods.orgNortheast Passage
University of New Hampshire
www.nepassage.orgBreckenridge Outdoor Education Center
Breckenridge, CO
www.boec.orgAdaptive Sports Center
Crested Butte, CO
www.adaptivesports.orgCradle Beach Camp
Western NY
www.cradlebeach.orgProject Adventure
www.pa.orgAlpine Towers
www.alpinetowers.comAssociation for Challenge Course Technology
www.acctinfo.orgAssociation for Experiential Education (AEE)
www.aee.orgAmerican Camp Association (ACA)
www.acacamps.orgEE Europe
www.eeeurope.orgEuropean Ropes Course Association (ERCA)
www.erca.ccNational Center on Accessibility (NCA)
www.ncaonline.orgNational Center on Physical Activity & Disability (NCPAD)
www.ncpad.orgOutdoorEd.com
www.outdoored.com/research.htmlOutdoor Education Research and Evaluation Center
www.wilderdom.com/research.htmlOutdoor Network
www.outdoornetwork.comRopes Online
www.ropesonline.orgAchievable Concepts
http://www.achievableconcepts.com.au/Beyond Wheels
http://www.beyondwheels.com/
Cooperative Wilderness Handicapped Outdoor Group
http://www.isu.edu/cwhog/
National Center on Physical Activity & Disability (NCPAD)
http://www.ncaonline.org/ncpad/challenge.shtml
Northeast Adventure: Universal accessibility challenge courses
http://www.neadventure.com/universal.html
Vertical Innovations
http://www.vertical.com.au/
Wilderness Inquiry - North American Destinations
http://www.wildernessinquiry.org/