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. Grotto is known for its scenic mountain environment.

A post office called Grotto was established in 1910.[2] The community was named for gorges near the original town site.[3]

References

  1. ^ "Grotto". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
  2. ^ "Post Offices". Jim Forte Postal History. Retrieved August 7, 2016.
  3. ^ Meany, Edmond S. (1923). Origin of Washington geographic names. Seattle: University of Washington Press. p. 105.