American Trails http://www.americantrails.org
28 Reasons to Bike from University of Central Florida http://www.environment.ucf.edu/bikepath/Main%20Page.htm
California Bicycle Association http://www.calbike.org/
California State Parks Trails and Greenways information http://www.parks.ca.gov/default.asp?page_id=24151
Center for Disease Control and Prevention, Kids Walk to School Programs and Information http://www.cdc.gov/nccdphp/dnpa/kidswalk/kidswalk_links.htm
Coachella Valley Hiking Club http://cvhikingclub.net/
Desert Trails Hiking Club http://www.deserttrailshiking.com/
National Parks Service, Trails information http://www.nps.gov/trails/nonprofit_trails.html
National Center for Safe Routes to School http://www.saferoutesinfo.org/
Trails Center http://www.trailcenter.org/
The Desert Sun/ Hiking Information http://directories.thedesertsun.com/fe/hiking/search.asp
Tour de Palm Spring http://www.tourdepalmsprings.com/sponsors.htm