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手取蟹戸～蟹も歩けない急な流れ～
手取蟹戸（てどりがんど）は大野川の急流で、およそ1億年前に海の底で堆積した大野川層群という地層が露出しています。
地層は地殻変動で大きく傾き、戸板を立てたように見えます。
この場所では急流を避けた蟹が岩の上を歩くため、手で捕まえることができることから名づけられたと言われています。
