The largest drain hole in the world

Tuesday, 13 February 2007
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Drain Hole
Located in northern California, the Monticello Dam’s is the largest morning glory spillway all over the world. This funnel-shaped outlet, allows water to bypass the dam when it reaches capacity, as it swallows a rate of 48,400 cubic feet per second (1370 m³/s).

Read more about this crazy feature .
David Johnston

David Johnston

David Johnston has been introducing people to the sport of sea kayaking for the past 15 years. He is a senior instructor trainer with Paddle Canada and teaches for several paddling schools in Ontario, Canada. Full Bio.

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