*Edit Note dated Nov. 16, 2011
I had posted this earlier as the largest largest hole in a lake. However as per the latest information received by me it is the Third largest. I have therefore merged this post in a combined post which now includes all the large "Hole in A Lake"
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World's Third Largest Hole in a Lake
This hole in the Ladybower Reservoir, Upper Derwent Valley, Derbyshire, England is World's Third largest and Europe's largest bellmouth Spillway. Such spillways are provided in many man made lakes to automatically maintain the level of the lakes. These are designed like an inverted bell and are commonly called morning glory hole, plughole, glory hole, or bell-mouth spillways.
The Ladybower Reservoir has been provided with two bellmouth overflows (locally named the 'plugholes') each having inlet diameter of about 24.3 metres (80 ft) which tapers to about 4.5 metres (15 ft) at its exit located at the base of the dam.
I had posted this earlier as the largest largest hole in a lake. However as per the latest information received by me it is the Third largest. I have therefore merged this post in a combined post which now includes all the large "Hole in A Lake"
-------------------------------------------------------
World's Third Largest Hole in a Lake
This hole in the Ladybower Reservoir, Upper Derwent Valley, Derbyshire, England is World's Third largest and Europe's largest bellmouth Spillway. Such spillways are provided in many man made lakes to automatically maintain the level of the lakes. These are designed like an inverted bell and are commonly called morning glory hole, plughole, glory hole, or bell-mouth spillways.
The Ladybower Reservoir has been provided with two bellmouth overflows (locally named the 'plugholes') each having inlet diameter of about 24.3 metres (80 ft) which tapers to about 4.5 metres (15 ft) at its exit located at the base of the dam.
Image from Flickr is by Three-Legged-Cat
Source of Info: Wikipedia
Credits: I am thankful to Anonymous for bringing this to my knowledge. I had missed this while making my earlier post on the subject.
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