Kotlin Island

Kotlin (Russian: Ко́тлин) is a Russian island, located near the head of the Gulf of Finland, 32 kilometres (20 mi) west of Saint Petersburg[2] in the Baltic Sea. Kotlin separates the Neva Bay from the rest of the gulf. The fortified city of Kronstadt is located on the island. The island serves as a gateway to Saint Petersburg and as such has been the site of several military engagements.

Kotlin Island
Остров Котлин
Map of Kronstadt bay with Kotlin Island in the upper left corner
Kotlin Island
Kotlin Island
Kotlin Island
LocationGulf of Finland
Coordinates60°00′45″N 29°44′01″E
Area15 km2 (5.8 sq mi)
Length10.2 km (6.34 mi)
Width3.7 km (2.3 mi)[1]
Highest elevation17 m (56 ft)
RegionSaint Petersburg
Population43,005 (2010)
Pop. density2,867 /km2 (7,425 /sq mi)


The city of Kronstadt was founded by Peter the Great on Kotlin island who took it from the Swedes in 1703.[2] Later in March 1921, Kotlin was the site of the Kronstadt rebellion which resulted in over 11,000 casualties.[3][4]


In general outline, the island forms an elongated triangle; 12.1 km (7.5 mi) long by about 1.6 km (1.0 mi) broad, with its base towards St Petersburg. The eastern or broad end is occupied by the city of Kronstadt, and shoals extend for 2.4 km (1.5 mi) from the western point of the island to the rock on which the Tolbaaken lighthouse is built.[2]

The island thus divides the seaward approach to St Petersburg into two channels; that on the northern side is obstructed by shoals which extend across it from Kotlin to Lisiy Nos; the southern channel, the highway to the former capital, is narrowed by a spit which projects from opposite Lomonosov on the Russian mainland, and, lying close to Kronstadt, has been historically strongly guarded by batteries.[2]

The naval approach to Saint Petersburg was greatly facilitated by the construction in 1875–85 of a canal, 7 m (23 ft) deep, through the shallows,[2] whereas cars can travel overland to the island by using the Saint Petersburg Dam from the north and south shores of the Gulf of Finland. Started in 1980, but delayed by political upheaval in the 1990s, the dam project was completed in 2010 and officially commissioned in 2011.[5]

Pollution incident

On 15 November 2000 a collision between two ships, a 67 m (220 ft) refrigerator trawler named Nortlandia and a 130 m (430 ft) Panamanian-registered cargo vessel named E.W. McKinley, spilled three tons of diesel fuel into the water off Kotlin Island. The smaller ship also sank as a result of the collision after sustaining hull damage, and two crew members required treatment for hypothermia. The fuel slick covered 11 km2 (4.2 sq mi) of Kronstadt harbour. By that afternoon, divers had plugged the hole to prevent further leakage, and remedial efforts to contain and remove the spill were carried out.[6]

Programming language

The programming language Kotlin is named after Kotlin Island.


  1. Google Earth
  2.  One or more of the preceding sentences incorporates text from a publication now in the public domain: Kropotkin, Peter; Bealby, John Thomas (1911). "Kronstadt". In Chisholm, Hugh (ed.). Encyclopædia Britannica. 15 (11th ed.). Cambridge University Press. p. 927–928.
  3. Pukhov, A. S. Kronshtadtskii miatezh v 1921 g. Leningrad, OGIZ-Molodaia Gvardiia.
  4. Orlando Figes, A People's Tragedy: The Russian Revolution 1891-1924 (New York: Viking Press 1997), 767.
  5. "St. Petersburg gets protecting dam". Voice of Russia. 12 August 2011. Retrieved 14 August 2011.
  6. Titova, Irina. "Kronshtadt Collision Sinks Ship", The St. Petersburg Times, published November 17, 2000, accessed March 11, 2007.

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