Home › Venues › El Caballo de Sunnyside El Caballo de Sunnyside Tickets Buy tickets for concerts at El Caballo de Sunnyside in Sunnyside, WA. No Upcoming Events No upcoming events scheduled at El Caballo de Sunnyside. Please contact us with any corrections. Hotels & Lodging Near El Caballo de Sunnyside About the Venue El Caballo de Sunnyside At-a-Glance Address1400 Yakima Valley HighwaySunnyside, WA 98944United States Map & Directions Advertisement