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Expert Equestrians at Your Service

At Castle Rock Arabians, our commitment to the equestrian craft and to passing on valuable lessons to customers is unmatched anywhere in Walnut Creek, CA or in the Bay Area. Our instructors are world-class riders who are constantly improving their riding and teaching abilities. We have something to offer for all skill levels.

Meet Our Team

Nancy Dupont


Nancy has owned and managed Castle Rock Arabians since 1971.

Nancy has a lifetime of involvement with horses, including dressage, western pleasure and competitive trail. For 25 years, she conducted group rides in 22 wilderness areas, teaching wilderness ethics and how to camp with your horse.

For over 30 years, Nancy has owned an Arabian horse training center. Horses she has bred were trained and shown by Lacey's Arabians and are used in CRA summer camp.

In the late 90’s, Nancy formed a partnership with the East Bay Regional Park District to expand the operation to an additional 10 acres, including 2 riding arenas which are presently day camps with selected overnight camps for advanced riders.

Rebeca Mendez

Head Instructor, CHA Certified

Rebeca has her 3rd level CHA certificate and is a favorite instructor with the kids, campers and apprentices! She leads all of our private lessons, camps, as well as runs our apprenticeship program. Rebeca takes personal pride in teaching individuals of all levels how to improve upon their riding skills. When she is not at the ranch teaching a lesson, working with the apprentices, or caring for the horses, you can almost always find her out on a trail with her horse, Eichon and dog, Rocky.

Start Riding Today!