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Crescent Bay
AuthoritativeGrant County, Washington, 99116→|Columbia River - Franklin D. Roosevelt Lake· 71,323 ac→|Grand Coulee→
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USGS1 data sourceUpdated Mar 2026
Crescent Bay is a public boat ramp on Columbia River - Franklin D. Roosevelt Lake in Grand Coulee, Grant County, Washington (99116). GPS coordinates: 47.9482°N, 118.9875°W.