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Arriba Vista Ranch is proud to host many events throughout the year.

2024  Events:

Working Equitation Clinic with USAWE Professional Instructor Jessica Mobaugh

Top Working Equitation clinician and show organizer Jessica Mosbaugh will be conducting an Ease of Handling (EOH) clinic at Arriba Vista Ranch. She’s experienced, patient and has a deep love for horses and this sport. She’s also a USAWE Professional Instructor and Technical Delegate.Jessica Mosbaugh

  • When: April 20 & 21 May 18 & 19 at Arriba Vista Ranch (AVR)
  • Clinician: Jessica Mosbaugh
  • Fee: $150 per rider and day
  • Haul in Fee: $30 per day
  • Payment: Venmo Jessica at @jessicapph
  • Group size: 4-6
  • Group Lesson: 2 hours per day
  • Where: Large round pen
  • Sign up: [email protected] or call (510) 755-3639
  • Auditing: FREE for AVR boarders, $25 per day for external

Priority will be given to riders that are riding both days. No refunds unless a spot can be filled from the waitlist. Jessica will bring the obstacles – it’s going to be a fun weekend!

Feel free to reach out to me ([email protected]) or Jessica ([email protected]) with any questions! And please spread the word – everyone is welcome, it’s great cross training for any horse and rider in any discipline.

 KLA Training Week Long Summer School Lesson Series!

student grooming horse

Class runs from 9am to 3pm Monday through Friday.

$675 Per child for the week. $100 nonrefundable deposit due upon registration with the balance due the first day of school.

  • June 10th – 14th
  • June 24th – 28th
  • July 8th – 12th
  • July 22th- 26th
  • August 5th – 9th

Contact Lin for Summer School Registration Forms at [email protected]


 Jane Weatherwax Clinics

  • TBA


  • Clinic rides are $155
  • Haul in fee is $20
  • Auditors are welcome for $20

Contact Angela Ridgway at [email protected] for more information

About Jane:

Jane Weatherwax is an FEI 4-star judge (previously called ‘I’ rated) as well as a U.S. Equestrian Federation and Equine Canada ‘S’ judge. She judges extensively throughout the U.S. and Canada, and has judged continental Championships in both Europe and North America. Most recently, she was on the panel of judges at the U.S. Selection Trials for the 2012 London Olympics.

Jane had the honor of judging the 2007 Pan American Games held in Brazil. Jane also was the clinician for the 2011 CDS Adult Amateur clinics. Traveling the world as the daughter of a career naval officer, she received her foundation in dressage while living in Europe. Jane has been an active trainer, instructor and competitor for more than 30 years, and has brought many horses up through the FEI levels.

Besides her busy judging schedule, Jane finds time to give several clinics around the U.S. and enjoys working on her lovely garden and vintage home in Petaluma, California.