Boats go out to the whirlpools, and a walkway crosses above them. The water runs hardest when the tide turns.

How to get there
- Where it is Tokushima (徳島県), Japan. Getting into the prefecture: Tokushima Airport · Tokushima Station — no shinkansen; about 2 hours by bus from Osaka
- By car What you need to drive here
- Last train When the trains stop
