At the mouth of Japan’s forth-longest river Teshio-gawa (天塩川), this town was one of Northern Hokkaido’s major trading posts until the early 20th-century. Today the town is known for its tasty shijimi (しじみ: basket clams) from the river.
Teshio-gawa Historical Museum
(天塩川歴史資料館) Houses in the 1951 former red brick town hall next to Teshio bus stop, this museum tells the history of Teshio-gawa and gives insight into water transport. It is closed from November to April.
Teshio-gawa Riverside Park
(天塩川河川公園) If the weather is good, the tranquil riverside park along Teshio-gawa occupies a pleasant position looking out over Rishiri-to, especially from late afternoon. Pick up a bento (boxed lunch) from a convenience store.
Teshio Onsen Yubae
(てしお温泉夕映) Located beside Kagami-numa Kaihin Park, this onsen is a good place to watch the sunset into the ocean (open-air bath is open in the warmer months) or a renovated hotel.
The Yubae operates a casual restaurant (11.30am-2.30pm & 5.30pm-7.30pm) with local specialities from ramen to pasta using shijimi (basket clams).
Kagami-numa Kaihin Park
(鏡沼海浜公園) Sitting right on the estuary and surrounded by the wildflower garden, Kagami-numa has a dozen of bungalows (¥3300), campsites (¥500) and simple rider houses (shared lodge for motorcyclists: ¥200) around the peaceful marsh overlooking the ocean. You can rent a tent, sleeping bag and laundry facilities. It is beside the Teshio Onsen Yubae.
(道の駅てしお) This roadside station along Route 232 offers unique local cuisines at the on-site restaurant. It serves the shijimi (basket clams) ramen; hokki (edible saltwater clam) curry; and tako-kimuchi-don (kimch taste octopus cutlet on rice). There is also a small souvenir shop.
Engan Bus runs to Teshio from Sapporo (4 daily; 4.5hrs), Rumoi (3hrs; 8 daily) via Haboro Honsha Terminal (1.5hrs), Asahikawa (1 daily; 4hrs 20min) and Toyotomi Station (6 daily; 1hr) via Horonobe Station (28min).