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High Island Reservoir (萬宜水庫)
You will see a “fort” at the west side of High Island Reservoir (萬宜水庫) on Maclehose Trail Stage 1. Not sure how it functions. Leave a comment if you know.
Weather
Hong Kong
few clouds
29.6
°
C
30.6
°
28.9
°
70%
3.1kmh
20%
Wed
32
°
Thu
31
°
Fri
31
°
Sat
30
°
Sun
29
°
This is not a fort. This is what is referred to as a “glory hole”. It is a type of drainage for dams and the sort that, when the water is too high it has somewhere to drain to. There are lots of these around the world near dams. Some can be spectacular to behold when the water is draining down them as they will appear to be a giant whirlpool.
Hi Jay, thanks a lot for the information! Now I know what keywords I can search in Wikipedia to know more about the “glory hole” 🙂
it should be “Bell-mouth Siphon Spillway”