Riverside is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

Malheur County Malheur County () is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 31,571. Its county seat is Vale, and its largest city is Ontario. The county was named after the Malheur River, which runs thr ...

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

, United States. It lies at an elevation of and is part of the

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...

, Oregon–

Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...

Micropolitan Statistical Area. It is northeast of Crane and south of Juntura along Juntura–Riverside Road and the

South Fork Malheur River The South Fork Malheur River is tributary of the Malheur River in a sparsely populated part of the U.S. state of Oregon. Arising southeast of the unincorporated community of New Princeton and slightly north of Oregon Route 78, it flows generally ...

near its confluence with the main stem. The Riverside Wildlife Area, managed by the

Oregon Department of Fish and Wildlife The Oregon Department of Fish and Wildlife (ODFW) is a government agency of the U.S. state of Oregon responsible for programs protecting Oregon fish and wildlife resources and their habitats. The agency operates hatcheries, issues hunting and ...

, is along the

Malheur River The Malheur River (local pronunciation: "MAL-hyure") is a tributary of the Snake River in eastern Oregon in the United States. It drains a Great Basin Desert, high desert area, between the Harney Basin and the Blue Mountains (Oregon), Blue Moun ...

canyon near Riverside. Encompassing , it provides public access to fishing, hunting, and wildlife viewing in a remote area that is otherwise privately owned. Riverside post office was established in 1889, with Teresa E. McRae as

postmaster A postmaster is the head of an individual post office, responsible for all postal activities in a specific post office. When a postmaster is responsible for an entire mail distribution organization (usually sponsored by a national government), ...

. The office, with a ZIP code of 97917, was discontinued in 2008.

Climate

Riverside has a

steppe climate A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-ar ...

(BSk) according to the

Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...

system.

References

Ontario, Oregon micropolitan area Unincorporated communities in Malheur County, Oregon Unincorporated communities in Oregon {{MalheurCountyOR-geo-stub