Founded in 1915 and spread over 15 hectares the Daio Wasabi Farm (大王わさび農場, Daiō Wasabi Nōjō) is the largest wasabi farm of Japan.
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To reach Daio Wasabi Farm, take JR Oito Line from Matsumoto to Hotaka Station (30 minutes, ¥320 one way, 1-2 trains/hour). From there, the wasabi farm can be reached in a ten minute taxi ride (approximately ¥1300 one way). On weekends and holidays from mid April through October, there is a loop bus for tourists that connects Hotaka Station with the Daio Farm (10 minutes, ¥500 per ride).