From Seattle (Approximately 4 hours):
Head east on I-90
1) Take exit 151 for State Hwy 283 North toward Soap Lake/Ephrata
2) At stop sign turn right onto HWY 283. HWY 283 turns into HWY 28 through Ephrata
3) Continue through Ephrata to HWY 17 North
4) Turn left at HWY 17 North, continue through Soap Lake to HWY 2
5) Turn right at HWY 2, continue through Coulee City
6) HWY 155 junction is approximately 3 miles
7) Continue on HWY 155 for 27 miles North to Grand Coulee.

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From Spokane (Approximately 2 hours):
1) I-90 to West HWY 2
2) Continue through Airway Heights, Reardan, Davenport, Creston, Wilbur (Sign stating Grand Coulee Dam Area next right)
3) Right to HWY 21 for very short distance
4) Proceed West on HWY 174 to Grand Coulee Area.

GET GOOGLE DRIVING DIRECTIONS FROM SPOKANE AREA: Click here!