The train service from Shiraoi to Onumakoen is offered primarily by the Limited Express Train, which navigates this scenic route in Hokkaido. The Limited Express trains, such as the Kussharo, can reach speeds of up to 130 km/h (81 mph), completing the journey in approximately 1 hour and 15 minutes. This service typically features comfortable seating options and some amenities like refreshments and Wi-Fi, catering to a pleasant travel experience.
In contrast, local trains also operate on this route, but they are slower and have more frequent stops, which can extend the travel time to around 2 hours or more. For those seeking swift transportation directly to Onumakoen, the Limited Express Train remains the preferred choice.