On Monday, July 17, 1995 at 1:00:00 AM UTC-6, SoarHead wrote:
Evergreen Soaring based in Arlington, WA
Puget Sound Soaring Association based at Bergseth Field near Enumclaw, WA
Boeing Employees Soaring Club based summers in Ephrata, WA and Arlington
Wa fall-spring.
Alpha Aviation - commercial operation at Arlington
Seattle Glider Council based in Ephrata, WA
Cascade Soaring based in Wenatchee, WA
Columbia Basin Club in Richland, WA
Need more specific info ask via e-mail

There's also Spokane Soaring Society in Deer Park, WA, if you want to go that far. They offer commercial rides, and are pretty flexible to work with you. Good folks there.

http://www.spokanesoaring.org/