Property Description Oama Onsen Nakoikan is located in Tamana and takes about 25 minutes by car from Kikusui Interchange Station, near Yamaga Onsen. Free WiFi is available in the lobby. Yukata are available for guests to wear during their stay. Facility includes an open-air bath. The hotel possesses 2 guest rooms.Property Access Kumamoto Station. Tamana Station. Route 501. It takes 30-minutes to Kumamoto city. It takes 25-minutes to Kikusui Interchange. 1-minute walk from Amaonsen bus stop.