The route from Oshamambe to Onumakoen is primarily serviced by the Limited Express Super Hokuto train, which operates multiple times a day. This train is known for its comfortable seating and scenic views, making it an ideal choice for travelers. The Super Hokuto reaches speeds of up to 130 km/h (81 mph) and covers the journey in approximately 4 hours, with stops at key stations such as Kutchan and Otaru.
Unlike some routes in Japan, there are no high-speed Shinkansen services between these two destinations, meaning the Limited Express is the fastest option for this particular route. Passengers can enjoy onboard amenities, including spacious seating and food services, which enhance the travel experience. For those interested in relaxation and sightseeing, the Super Hokuto provides a great balance of comfort and efficiency, making it a suitable choice for both locals and tourists.