This is the Red Columbine or the Western columbine (Aquilegia formosa), also known as crimson columbine. It has red sepals and spurs with yellow petal blades, a conspicuous color combination. It is a member of the buttercup family, Ranunculaceae. It is found in Washington, Oregon, Idaho, Montana, California, Nevada and Wyoming. Flowers, are seen from April to August.
Source : Washington State Department of Natural Resources and U.S. Forest Service