On the way from Northern Cascades National Park to Glacier National Park, we made another stop on our dam tour, the Grand Coulee Dam. The Grand Coulee Dam is the largest concrete structure in North America with 11,975,521 yd³ used to build it. Construction on this dam across the Columbia River started in 1933 and was completed in 1942.
The Grand Coulee Dam is the largest electricity producing dam in the US and the 5th largest electricity producing dam in the world. In the summer, you can watch a laser show on the dam each night after sunset. Unfortunately, sunset was close to 10 pm when we were there and we we were a few hours from our destination...no light show for us :(
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