The Sinimäed Hills (or Blue Hills; ) are three linked hills in northeastern

Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...

. 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

Narva-Jõesuu Narva-Jõesuu is a seaside resort town in northeast Estonia. It is located by the Gulf of Finland of the Baltic Sea, on the west bank of the Narva River, which forms the Estonia–Russia international border. Narva-Jõesuu marks the northea ...

municipality near the coastal town of Sillamäe in

Ida-Viru County Ida-Viru County ( or ; ) is one of the 15 counties of Estonia. It is the most northeastern part of the country. The county contains large deposits of oil shale the main mineral mined in Estonia. Oil shale is used in the production of shale oil ...

. The hills are best known as the location of the

Battle of Tannenberg Line The Battle of Tannenberg Line (; ) or the Battle of the Blue Hills () was a military engagement between the German Army Detachment Narwa and the Soviet Leningrad Front. They fought for the strategically important Narva Isthmus from 25 Jul ...

, fought in

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

on July 26–August 12, 1944. There, the

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

Waffen-SS The (; ) was the military branch, combat branch of the Nazi Party's paramilitary ''Schutzstaffel'' (SS) organisation. Its formations included men from Nazi Germany, along with Waffen-SS foreign volunteers and conscripts, volunteers and conscr ...

defeated a

Soviet The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

offensive.

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 Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

, but their geological origin is not clear. They are believed to be formed either by continental glacier (

terminal moraine A terminal moraine, also called an end moraine, is a type of moraine that forms at the terminal (edge) of a glacier, marking its maximum advance. At this point, debris that has accumulated by plucking and abrasion, has been pushed by the front e ...

) or by clay

diapir A diapir (; , ) is a type of intrusion in which a more mobile and ductilely deformable material is forced into brittle overlying rocks. Depending on the tectonic environment, diapirs can range from idealized mushroom-shaped Rayleigh–Taylor ...

s, or by the combination of both factors.

Military history

The western hill, Tornimägi, had an outpost during the

Great Northern War In the Great Northern War (1700–1721) a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in Northern Europe, Northern, Central Europe, Central and Eastern Europe. The initial leaders of the ant ...

. During

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

, Pargimägi with its defensive structures was part of

Saint Petersburg Saint Petersburg, formerly known as Petrograd and later Leningrad, is the List of cities and towns in Russia by population, second-largest city in Russia after Moscow. It is situated on the Neva, River Neva, at the head of the Gulf of Finland ...

's preliminary defence line. The Blue Mountains saw fighting in 1919 in

Estonian War of Independence The Estonian War of Independence, also known as the War of Freedom in Estonia, was a defensive campaign of the Estonian Army and its allies, most notably the United Kingdom, against the Soviet Russian westward offensive of 1918–1919 and the ...

. Extensive battles took place at the Sinimäed towards the end of

. (see

). After defending the Narva bridgehead against the

Red Army The Workers' and Peasants' Red Army, often shortened to the Red Army, was the army and air force of the Russian Soviet Republic and, from 1922, the Soviet Union. The army was established in January 1918 by a decree of the Council of People ...

for six months, the German army detachment "Narwa" fell back to the Tannenberg Defensive Line on the hills. In two ferocious battles lasting for 25–31 July and 2–10 August 1944 with a break of a single day, the vastly outnumbered German army group held out under the pressure of the Estonian Operation of the Soviet

Leningrad Front The Leningrad Front () was formed during the 1941 German approach on Leningrad (now Saint Petersburg) by dividing the Northern Front into the Leningrad Front and Karelian Front on August 27, 1941. History The Leningrad Front was immediately ...

. In German, the eastern hill was known as Kinderheimhöhe, the central hill was Grenadierhöhe and the westernmost known as Liebhöhe. There is a memorial site to commemorate the fallen on the hill of Põrgumägi.

Notes

References

Ülo Kaevats Ülo Kaevats (29 September 1947 – 30 January 2015) was an Estonian statesman, academic and philosopher. In 1972, he graduated from the Faculty of Physics and Chemistry of the University of Tartu with a qualification from a physicist and a rese ...

et al. 1995. ''Eesti Entsüklopeedia 8''. Tallinn: Eesti Entsüklopeediakirjastus,
Sõdadest räsitud Sinimäed

Eesti Loodus ''Eesti Loodus'' ('Nature of Estonia') is magazine published in Estonia. It focuses on topics related to nature of Estonia. Magazine is published by Loodusajakiri MTÜ and it is funded also by Environmental Investment Centre. First number ...

{{DEFAULTSORT:Sinimaed Hills Hills of Estonia Landforms of Ida-Viru County World War II sites in Estonia Tourist attractions in Ida-Viru County Kreis Wierland

Geography

Military history

See also

Notes

References