ニセコ · 積丹
Designated as Niseko-Shakotan-Otaru Kaigan Quasi-National Park, this area (formally called Shiribeshi Region) has a variety of nicest attractions, from the impressive coastlines along the Shakotan Peninsula to the world-class ski resorts in the Niseko Mountains overlooking the wonderful Yotei-zan.
TRAIN: JR Hakodate Line (sometimes called Yama-sen in Japanese) veers north from Oshamanbe to Otaru via Kutchan in Shiribeshi Region. Getting there by local train from Sapporo require a change at Otaru, and a limited express train from Hakodate require a change at Oshamanbe.
BUS: All highway buses from Sapporo for Shiribeshi Region via Otaru and Yoichi (1hr 40min / ¥1050) are operated by Chuo Bus. Main destinations include the Iroha in Niseko Annupuri Ski Area (3hrs), Kaumi-misaki (late Apr-Oct / 3.5hrs) and Iwanai (2.5hrs).