Ontario State Recreation Site, State recreation area on Snake River banks in Malheur County, Oregon.

Ontario State Recreation Site is a state park in Malheur County, Oregon, administered by the Oregon Parks and Recreation Department. It lies about 2.1 km south of the city of Ontario, on flat ground at roughly 655 metres above sea level, near the Snake River and Clay Point, which rises 766 metres about 5.3 km to the west. The surrounding land is farmland, with canals, valleys and islands nearby.

The land was purchased by Oregon Parks and Recreation Department through multiple transactions between 1965 and 1969. These acquisitions created the foundation for this public recreation area that has served the local community since then.

The park lies about 2 km north of the city of Ontario, in Malheur County, on flat ground at roughly 655 m elevation. The surrounding land is farmland, with canals, valleys and islands nearby, and Clay Point rises about 5 km to the west. The Snake River forms the park's western edge.

The site lies on the western bank of the Snake River just north of Ontario, in Malheur County, Oregon, at about 655 metres above sea level. The surrounding land is flat farmland, and Clay Point rises about 5.3 km to the east. The park is administered by the Oregon Parks and Recreation Department.

The park sits at 655 metres above sea level on flat ground about 2 km north of the city of Ontario, with Clay Point rising 766 metres roughly 5 km to the west. The surrounding plain is farmland, cut by irrigation canals, and the Snake River runs beside the site.