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You can rent a fishing kit at Ine Tourist Office(伊根町観光協会).1500yen/per kit (bait is not include in the price)
Access to the Ine Tourist Office:
Take a bus from Amanohashidate station(Bus stop name=Amanohashidate-eki-mae天橋立駅前) and get off at Funaya-no-sato-koen-mae(舟屋の里公園前). Bus fare:950yen/oneway
Takes about 70mins.