Kosai is a city in Shizuoka Prefecture, Japan. It has many popular attractions, including Boat Race Hamanako, 新居弁天海釣公園, Arai Checkpoint, perfect for a trip!
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Kosai Travel Guide
Destination Overview
Destination Introduction
Kosai is a city in Shizuoka Prefecture, Japan. It has many popular attractions, including Boat Race Hamanako, 新居弁天海釣公園, Arai Checkpoint, perfect for a trip!
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Experience Kosai
What to Do
Looking for things to do in Kosai? We provide up-to-date info on everything from must-see scenic spots to local hangouts.