| Diablo, Washington | |
|---|---|
| Unincorporated community | |
| Coordinates: 48°42′48″N 121°08′28″W / 48.71333°N 121.14111°WCoordinates: 48°42′48″N 121°08′28″W / 48.71333°N 121.14111°W | |
| Country | United States |
| State | Washington |
| County | Whatcom |
| Elevation | 896 ft (273 m) |
| Time zone | Pacific (PST) (UTC-8) |
| • Summer (DST) | PDT (UTC-7) |
| Area code(s) | 360 |
| GNIS feature ID | 1518740 |
| Highways | none |
Diablo is an unincorporated community in Whatcom County, Washington, United States. The community, which is located on the Skagit River near the Diablo Dam, was established as a company town by Seattle City Light.