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Marian Nelson Equestrian is located in Petaluma, California at a private barn on the beautiful Sonoma Horse Park facility.   We enjoy the benefits of a top quality training facility with a quiet, family-oriented environment and the advantages of access to eight hunter/jumper shows hosted on-sight. Clients have the benefit of competing at top quality shows without leaving the property!


Serving clients in San Francisco, Marin, Sonoma, and Napa counties.



  • 230' x 125' lighted, covered arena with  viewing area

  • 250' x 150' outdoor riding arena with all weather footing and covered viewing area

  • Two heated tack rooms

  • Eight covered cross ties areas

  • Wash racks with heated water

  • Turn-outs

  • 32 stalls with attached paddock  

  • Two lunging areas

  • Washer & Dryer

  • Scenic lawn with picnic area

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Located in the heart of wine country, Sonoma Horse Park is a world-class horse show facility 25 miles north of San Francisco in Southern Sonoma County. Situated on the banks of the Petaluma River, the 75-acre facility boasts seventeen arenas and is the ideal showcase for equestrian sports. Sonoma Horse Park hosts eight show jumping competitions annually, each attracting top competitors from all over the Western United States, Canada and Mexico.

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