Overview
An underwater observation tower in Karatsu, with windows on the fish of the Genkai Sea.
About this place
The only undersea observation tower on the Sea of Japan, at Cape Hado in Karatsu, Saga Prefecture. It opened on December 1, 1974 (Showa 49). Connected to land by an 86 meter pier, it is 20 meters tall and 10 meters in diameter. The undersea observation room, at a depth of 7 meters, has 24 underwater windows from which you can see about 30 kinds of fish swimming. Projection mapping was introduced in the April 2024 renovation.
Source asobo-saga.jp ↗Before you go
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