Japan Railways (JR) operates a train from Otaru to Noboribetsu every 20 minutes. Tickets cost $5 - $7 and the journey takes 43 min. Japan Railways Limited Express also services this route hourly.
How to get from Otaru to Noboribetsu
From Minami-Otaru train to Sapporo(Jr) then train to Noboribetsu. 2 h 41 min ¥3960. From Minami-Otaru train to Sapporo Station, bus to Minami-Chitose, then train to Noboribetsu. 3 h 17 min ¥4071. From Otaru drive to Noboribetsu. 1 h 36 min ¥2028.