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The Sinimäed Hills (or Blue Hills; (エストニア語:Vaivara Sinimäed)) are three linked hills in northeastern Estonia. The heights which are aligned west-east, consist of Tornimägi, Põrguaugu mägi (also known as Grenadierimägi) and Pargimägi (also known as Lastekodumägi). They lie in Vaivara municipality near the coastal town of Sillamäe in Ida-Viru County. The hills are best known as the location of the Battle of Tannenberg Line, fought in World War II on July 26–August 12, 1944. There, the Waffen-SS defeated a Soviet offensive against Germany. ==Geography== The Sinimäed hills are gently sloping mounds rather than mountains. Nevertheless, the hills are a dominant landform in the area - the height of the surrounding limestone plateau is on average 30 m above sea level, while the hills are up to 50 m higher.〔 〕 Pargimägi and Põrguaugu mägi are the two higher hills - 85 and 83 m, respectively, while Tornimägi is somewhat lower, 70 m. The ridge is about 3 km long. The location of the hills on a 5 km wide strip between the Finnish Gulf and the woods and bogs of Alutaguse is the origin of their strategic importance.〔 〕 Tallinn-Narva highway (E20) passes the hills from the north and Tallinn-Tapa-Narva railway from the south. The hills have at their core huge blocks of limestone, but their geological origin is not clear.〔 (【引用サイトリンク】title=Sõdadest räsitud Sinimäed )〕 They are believed to be formed either by continental glacier (terminal moraine) or by clay diapirs, or by the combination of both factors.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sinimäed Hills」の詳細全文を読む スポンサード リンク
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