NeighNet
This interactive site from the UK provides a variety of discussion forums.
http://www.angelfire.com/sports/neighnet/

Ultimate Equestrian Discussion Forums
A range of equestrian forums that cover all aspects of equestrian sports, equestrian breeding and horse health care.
http://www.sport-horses.org/cgi-bin/yabb/YaBB.pl

StableTalk Message Forum
A lively discussion group aimed at grass roots riders.
http://stabletalk.co.uk/message/list.php?f=2

Saddle-up Discussion Forums
For discussion of horses, horse riding and all equestrian issues and to ask for expert advice.
http://www.saddle-up.org.uk/forums/

EquiChat
Forums for horse lovers and equestrian discussions.
http://www.equichat.com

Horse Talk Forums
Active message boards form an online community of horse lovers.
http://www.horse-guide.com/forum/

The Mane Street
An all breed, all discipline forum site - also includes classifieds, articles and links. Based in Virginia, USA.
http://www.themanestreet.com

Pintura Springs Message Center
Message boards for all breeds and equestrian matters.
http://www.pshorse.com/phpBB2/index.php

Tackroom Gossip
Forums, free classified area, photo gallery, chat room and equestrian directory.
http://www.tackroomgossip.org.uk

EquineOnly.net
Community site with message boards, chat rooms, classifieds, and photos.
http://www.equineonly.net

The West Coast Horse Forum
Message boards for Washington, Idaho, Oregon and California horse owners to advertise and communicate with other horse owners in their area.
http://forums.delphiforums.com/WestCoastHorses

Horse News Network Forums
Forums on horses and horse endeavors, including breed specific topics, riding styles, disciplines, and horse care.
http://forums.horsenewsnetwork.com

Daily Equine
Informational site with members forums and articles to discuss topics of interest to horse enthusiasts.
http://www.dailyequine.com

HorseDiscussion.com
Message boards for general equestrian topics and breed-specific discussions.
http://www.horsediscussion.com/forum/

The Silver Stirrup Club
Online club for children and parents who love ponies, show jumping and the equestrian life anywhere in the world. Message boards, events listings, educational material, and articles by riders.
http://www.silver-stirrup.com

Horses 'R' Us
Forums and chat rooms for horse-related topics.
http://www.horsesrus.net

Single Horse Persons Corral
MSN group for single horse people to meet friends and riding buddies. Must be 18 yrs old or over to access the chats and message boards.
http://groups.msn.com/singlehorsepersonscorral/homepage.msnw

BarnMate Forums
Comprehensive forums for equine topics from riding to the business aspects of stable management.
http://www.barnmate.com

ABlackHorse.com
Equine discussion forums on horses and associated breeds. Provides links to other equine related sites.
http://www.ablackhorse.com

Horseactive Equine Health Forum
Equine health forum with chat and advice from other equestrians.
http://www.horseactive.co.uk/forum/index.php

Indiana Horse Network
A platform for horse lovers to chat and ask questions on horses.
http://www.indianahorsenetwork.com

Horse Directory Forums
A group of message forums for all ages and abilities.
http://s3.invisionfree.com/Horsedirectory_Forum/

Horseyville
Tennessee-centric forum, with live chat, horses for sale, rescue experiences, and classifieds.
http://www.horseyville.com/

Positively Riding!
Discussion forum and resource site for equestrians struggling with fear, lack of confidence, motivation and goal setting.
http://positivelyriding.com

Honest Journey
Horse related discussion for disciplines and breeds.
http://www.honestjourney.com/forum/

EquiSearch
Discussion forums for equestrian enthusiasts with topics including English and Western Riding, Horse Care and a section for new horse owners.
http://forum.equisearch.com

E-Equestrian Horse Forum
Equine community dedicated to all aspects of riding and horsemanship. Includes real-time chat, galleries and classifieds.
http://www.e-equestrian.com

Horse World
A place for all riders to get help or just chat with other horse mad people.
http://www.coolrider.proboards31.com/index.cgi

AOL Pets - Beginning Adult Riders Board
Discuss horseriding basics with fellow beginning adult riders.
http://messageboards.aol.com/aol/en_us/articles.php?boardId=166146&func=3&channel=Pets

Nickers and Neighs' Bulletin Boards
General forum for discussing all aspects of horses, as well as a horsey hints board, and free posting of items for sale and wanted.
http://www.nickers.com/cgi-bin/ultimatebb.cgi

Carolina Horses E-group
A resource for owners, breeders, trainers, farriers, vets, and all horse enthusiasts in the Carolinas.
http://pets.groups.yahoo.com/group/CarolinaHorses/

Catchride
Articles, chat and message boards.
http://forum.catchride.com/index.php?act=home

Horse Connection
Chat about horses from horse owners. Some other animals included.
http://p092.ezboard.com/fletstalkaboutanimalsfrm11

Oklahoma Horses E-group
This group was created to serve as central information resource for all horse enthusiasts in Oklahoma.
http://pets.groups.yahoo.com/group/OKHorses/

Prospero / About.com Horse Forum
Message boards on various aspects of horseback riding and horse care.
http://forums.about.com/n/pfx/forum.aspx?webtag=ab-horses&redirCnt=1

HorseShowSpy.com
Forum dedicated to horse show news and gossip about riders, judges, and trainers.
http://www.horseshowspy.com/