From Seattle/Metro Area:
Take I-90 East to:
From Cle Elum/Ellensburg/Spokane:
Take I-90 West to:

Tuesdays through Sundays, The Summit at Snoquamlie provides complimentary intra-resort shuttles. The Summit runs anywhere from 2-5 shuttles on a continuous loop between base areas depending upon business levels. Shuttles should be arriving at each base area roughly every 20 minutes (weather and traffic dependent).
Below are a few suggested transportation services to The Summit.
Hitch a ride with Gray Line this season on Tuesday afternoons while saving the planet and some gas money. Catch the bus at the Space Needle, in the University District, or in Issaquah. Check out all the details and make your reservation here.
FlexCar
FlexCar allows you to use a car or truck to drive up to go skiing or snowboarding.
RideShare
RideShare helps pair you up with people who are going to the same place or same direction.
Customized Tours
A van and bus charter company that does several ski trips to The Summit every year.
http://www.customizedtours.net/
Looking for information on parking?