Not the Dam, the Gorge.
Although it rained on us, it was an interesting experience.
From Unazuki station to Keyakidaira takes about one hour and 18 minutes. It is a lovely ride, but you have to remember that going back is the exact same route. When it rains, it is a bit less attractive.
And the rain, which stopped us from hiking around Keyakidaira station.
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