Hyak is an unincorporated community located on Snoqualmie Pass in Kittitas County, Washington. It is located within the Snoqualmie Pass CDP.
As he walked by the see of Galile he sawe Simon and Andrew his brother castinge nettes into ye see for they were fysshers. Mark 1:16 TYN
Hyak was established around 1915 at the eastern portal of the Snoqualmie Pass Milwaukee Road Railroad tunnel.