Welcome to Region 4 AHA

Step into the world of the extraordinary with the Arabian Horse Association and discover everything the AHA Region 4 has to offer.

If you’re passionate about horses—or ready to find the perfect one—there’s no better place to start. From elite national-caliber show horses to versatile sport horses, dependable trail partners, and beloved backyard companions, Region 4 connects you with knowledgeable, welcoming horsemen who are eager to help you find your match

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Spanning all of Oregon and Southern Idaho, Region 4 is home to some of the nation’s top Arabian, Half-Arabian, and Anglo-Arabian horses—and an even stronger community that prides itself on friendliness, support, and shared passion.

It all comes to life at the annual Region 4 Arabian Championship Horse Show, hosted in 2026 at the Oregon Horse Center in Eugene, Oregon. This isn’t just a horse show—it’s an experience. A three-time USEF Favorite Arabian Show, it brings together stunning horses, top competition, vibrant vendors, lively barn parties, and an atmosphere you won’t find anywhere else.

Whether you join us in the show ring or take it all in from the stands, you’ll feel the energy, the excitement, and the unmatched hospitality that make Region 4 special.

Come see what makes Region 4 unforgettable—and why so many horse lovers call it home.

We try to be a responsive region by supporting not only the show ring, but also the non-show events. We offer Sport Horse events, endurance rides, trail rides, scholarships and eight local clubs to meet the wants of all Arabian horse owners.