Riverside is an unincorporated community in Malheur County, Oregon, United States.

[1] It lies at an elevation of 3,343 feet (1,019 m)[1] and is part of the Ontario, Oregon–Idaho Micropolitan Statistical Area.

Encompassing 3,798 acres (1,537 ha), it provides public access to fishing, hunting, and wildlife viewing in a remote area that is otherwise privately owned.

[3] Riverside post office was established in 1889, with Teresa E. McRae as postmaster.

This Malheur County, Oregon state location article is a stub.