Sunnyside RV Park is a clean and well-kept park located in Sunnyside, Washington. The owner is knowledgeable and accommodating. The park offers big sites for RVs with no litter and clean restrooms open 24 hours with hot showers. There is a pool and playground area, as well as a large green area to run. The park is located conveniently near restaurants, stores, and a gas station. Although some...