Northwest Equine Dentistry
http://www.nwequinedentistry.com

American Horse Council 
http://www.horsecouncil.org

U.S. Cavalry School 
http://www.uscavalryschool.org

Silver Spur Riding Club 
http://www.angelfire.com/wa/silverspur

BCH CHATTER BOX 
http://www.comdak.com/CHATterBOX

Outfitters Supply, Inc.
http://www.outfitterssupply.com

Trailrider Magazine 
http://www.trailridermagazine.com

HorseCity.Com 
http://www.horsecity.com

Western Horseman Magazine 
http://westernhorseman.horsecity.com/trail 

Horse-Guide.Com 
http://www.horse-guide.com/links

Equestrian Trails, Inc.
http://www.eti.av.org

NOLS Leave-No-Trace Program 
http://www.lnt.org

High Sierra Packer's Association 
http://www.sierranet.net/web/highsierrapackers

The Mule Barn 
http://www.mules.com

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Bureau of Land Management 
http://www.blm.gov

The National Parks Service 
http://www.nps.gov

USDA Forest Service 
http://www.fs.fed.us/Homepage.html

Oregon Equestrian Trails (OET)
http://www.empnet.com/OET

Olympic National Park Trail Reports 
http://www.nps.gov/olym/trailrpt.htm

Pacific Crest Trail Association
http://www.pcta.org

National Outdoor Leadership School
http://www.nols.edu

Net Vet - Horse Home Page 
http://netvet.wustl.edu/horses.htm

Horseweb 
http://www.horseweb.com/horseweb.htm

Equestrian Trails, Inc. 
http://www.eti.av.org

National Horseman's Directory
http://www.nhdid.com