The Snoqualmie Tunnel is a former railroad tunnel near Snoqualmie Pass in the U.S. state of Washington, located east of Seattle. The tunnel crosses the Cascade Range about three miles (5 km) south of the pass, which is used by Interstate 90, on the border between King County and Kittitas County. It is 11,894 feet long and is at an approximate elevation of 2,600 feet (790 m) above sea level, just north of Keechelus Lake. Its east portal is at Hyak.
East portal at Hyak in 2006
About 200 yards from exiting the west side of the Snoqualmie Tunnel
The west entrance to the Snoqualmie Tunnel
Snoqualmie Tunnel 1912–1914.
Snoqualmie Pass is a mountain pass that carries Interstate 90 (I-90) through the Cascade Range in the U.S. state of Washington. The pass summit is at an elevation of 3,015 feet (919 m), on the county line between Kittitas County and King County.
I-90 through Snoqualmie Pass
Ben Evans, Director of Playfields of the Seattle Parks Department, skiing at Snoqualmie Pass, 1935. For five years in the 1930s, the department operated a ski park at the Pass, about 54 miles (87 km) from the city.
Variable speed limit sign along I-90
Snowshed constructed 1950, removed in 2014.
