WHITETHORNE is all about providing the best possible boarding and training facilities for horse and rider. Based on Whitethorne's Mission Statement, everything at the ranch is aimed at providing an environment and a standard of service and care which is unmatched anywhere in California. Owners, Joe and Joan Maskrey and their staff invite you to come visit this beautiful ranch. Both Joe and Joan, their daughter Georgy Maskrey-Segesman, the other trainers and staff are always delighted to show you the outstanding features of this magnificent facility and discuss their Boarding, Training, Lesson, Show and nutrition programs.