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.
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).