Welcome To Ridgefield Equine Veterinary Clinic- Ridgefield, Washington The Ridgefield Equine Veterinary Clinic is a full-service Equine Veterinary Clinic in Ridgefield, Washington, USA. Our state of the art clinic includes qualified equine veterinarians and an helpful support staff. Our clients include all types of equines - horses, minis, ponies, mules, and donkeys.