Grotto, Washington
| Grotto, Washington | |
|---|---|
| 1913 street scene at Grotto | |
| Coordinates: 47°44′10″N 121°25′24″W / 47.73611°N 121.42333°W | |
| Country | United States | 
| State | Washington | 
| County | King | 
| Elevation | 889 ft (271 m) | 
| Time zone | UTC-8 (Pacific (PST)) | 
| • Summer (DST) | UTC-7 (PDT) | 
| GNIS feature ID | 1520375 | 
Grotto is a small unincorporated community in King County, Washington, United States. It is located on U.S. Route 2 west of Stevens Pass in the Cascade Mountains, near the town of Skykomish.
A post office called Grotto was established in 1910. The community was named for gorges near the original town site.