A peninsula jutting out into the western part of Ehime Prefecture. It is a long and narrow peninsula that stretches about 40 km west-southwest along the Median Tectonic Line, with a maximum width of 6.4 km and a minimum width of 0.8 km, and connects the Iyonada Sea of the Seto Inland Sea and the Uwa Sea of the Bungo Channel. The neck of the peninsula was Ikata Town in Nishiuwa County, the central part was Seto Town, and the western part was Misaki Town, but the three towns merged in 2005 (Heisei 17), and now the entire peninsula belongs to Ikata Town. It has an area of about 95 square kilometers and a population of about 11,000 (2010). The geology of the peninsula is made up of Paleozoic Sanbagawa crystalline schist rocks, and there are several truncated faults on the north side, along which unique sea cliffs and coastlines form, while the south side is a ria coast. There are numerous hidden reefs called bays near the coast, making it a treasure trove of marine resources. In particular, the golden bay at the tip of Sadamisaki is famous for its copper sulfide shining in the sea. There are old large aco trees on Misaki Coast, which marks the northern limit of subtropical tree growth. The Sadamisaki Peninsula is designated as Uwakai Prefectural Natural Park, and the area around Sadamisaki Lighthouse at the tip of the peninsula is included in the Setonaikai National Park. Midget submarine training was carried out in Mikue Bay during World War II. Shikoku Electric Power's Ikata Nuclear Power Plant is located in Ikata-cho Ku-cho. National Route 197 (Sada Misaki Melody Line) extends to Misaki at the end of the peninsula, and a ferry operates from Misaki Port connecting Saganoseki in Oita Prefecture with Beppu. [Kazuo Fukaishi] [Reference item] |Sadamisaki Lighthouse. On the other side of the Hoyo Strait is Oita City, Oita Prefecture. Setonaikai National Park. Ikata Town, Nishiuwa District, Ehime Prefecture ©Ministry of the Environment "> Cape Sada Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
愛媛県西部に突き出た半島。中央構造線に沿って西南西に約40キロメートル、最大幅6.4キロメートル、最小幅0.8キロメートルの細長い半島で、瀬戸内海の伊予灘(いよなだ)と豊後(ぶんご)水道の宇和海をくぎっている。半島の頸部(けいぶ)は西宇和郡伊方(いかた)町、中央部は瀬戸町、西部が三崎町となっていたが、3町は2005年(平成17)に合併したため、現在は半島全域が伊方町に属する。面積は約95平方キロメートル、人口約1万1000(2010)。 半島の地質は古生代三波川(さんばがわ)系結晶片岩類からなり、北側はいくつかの胴切り断層があり、それに沿って独特の海食崖(がい)と海岸線をなし、南側はリアス式海岸である。海岸近くには碆(ばえ)とよばれる隠顕岩礁が数多くあり、水産資源の宝庫である。とくに佐田岬先端の黄金碆(おうごんばえ)は海中で硫化銅が輝くことで有名。三崎海岸にはアコウの老大木があり、亜熱帯樹の生育北限となっている。佐田岬半島宇和海県立自然公園に指定され、半島の先端の佐田岬灯台周辺は瀬戸内海国立公園に含まれている。三机湾(みつくえわん)では第二次世界大戦中特殊潜航艇の訓練が行われた。伊方町九町(くちょう)には四国電力の伊方原子力発電所がある。国道197号(佐田岬メロディーライン)が半島の先の三崎まで延びていて、さらに三崎港からは大分県の佐賀関と別府を結ぶフェリーが就航している。 [深石一夫] [参照項目] |佐田岬灯台。豊予海峡をはさみ、対岸は大分県大分市。瀬戸内海国立公園域。愛媛県西宇和郡伊方町©環境省"> 佐田岬 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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