Daisen is a rail hub in inland Akita Prefecture, with Omagari Station acting as the city's main train station and interchange. JR East serves the city with Akita Shinkansen services, regional trains on the Ou Main Line, and services on the Tazawako Line. This makes Daisen a useful connection point between Akita, the Tohoku Shinkansen corridor, and inland communities of southern Akita.
Trains from Daisen include Komachi services on the Akita Shinkansen, regional JR East trains north and south on the Ou Main Line, and local services across the Tazawako Line. Omagari Station is the principal station for long-distance train tickets, while other city stops such as Kariwano and Jinguji mainly support regional travel within Akita Prefecture.
Rail routes from Daisen run south toward Yokote and Yuzawa, north toward Akita, east toward Kakunodate, Tazawako, Morioka, and the Tohoku Shinkansen, and onward to Tokyo via the Akita Shinkansen. Book trains from and to Daisen online at Rail Monsters.