Teuri Island

The island is located in the northwest of Hokkaido, in the town of Haboro under the jurisdiction of the Rumoi Subprefectural Bureau. It has an area of ​​5.50 square kilometers. It is located in the Sea of ​​Japan about 30 kilometers west of the town, facing Yagishiri Island across the Musashi Channel, about 4 kilometers long. A fishing ground was opened after the establishment of Teshiobasho in 1786 (Tenmei 6), and it has been bustling with herring since then. In recent years, it has been used for collecting sea urchins, abalone, kelp, and fishing in the offshore Musashi Deposits. It is a scenic spot designated as Teuri-Yagishiri Prefectural Natural Park, and the northwest coast is lined with cliffs caused by sea erosion, with Byobu Rock and Jorokko Rock in the sea. The surrounding area is a breeding ground for seabirds such as the Auklet and Black-tailed Gull (a national natural monument). There are regular ferry services connecting Haboro Port and Yagishiri Port. Population: 366 (2009).

[Jiro Okamoto]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

北海道北西部、留萌(るもい)振興局管内の羽幌町(はぼろちょう)に属す島。面積5.50平方キロメートル。町の西方約30キロメートルの日本海上にあり、約4キロメートルの武蔵水道(むさしすいどう)を隔てて焼尻島(やぎしりとう)と相対する。1786年（天明6）天塩場所(てしおばしょ)設置以後に漁場が開かれ、以来ニシン漁でにぎわった。近年はウニ、アワビ、コンブなどの採取や沖合いの武蔵堆(たい)などへの出漁が行われる。天売焼尻道立自然公園に指定された景勝地で、北西岸は海食による断崖(だんがい)が連なり、海中に屏風(びょうぶ)岩、女郎子(じょろっこ)岩などがある。付近一帯はウトウ、ウミネコなど海鳥の繁殖地（国の天然記念物）。羽幌港、焼尻港とを結ぶ定期船便がある。人口366（2009）。

［岡本次郎］

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