| Sunnyside, Oregon | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Oregon |
| Pushpin Map Caption: | Location within the state of Oregon |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oregon |
| Subdivision Type2: | County |
| Subdivision Name2: | Umatilla |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 912 |
| Coordinates: | 45.9622°N -118.4022°W |
| Postal Code Type: | ZIP code |
| Area Code: | 458 and 541 |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1136801 |
Sunnyside is an unincorporated community in Umatilla County, Oregon, United States. It is about 3miles north of Milton-Freewater, at the intersection of Oregon Route 332, which is also known as the Sunnyside-Umapine Highway, and Oregon Route 339.[1] Sunnyside was once a station on the Walla Walla Valley Railway, which served the local fruit orchards, and the site of a Nebraska Bridge Supply and Lumber Co. planing mill from 1958 to 1963.[2] Inland Fir Company also had a sawmill.[2]