Krasnaya Gorka (Красная Горка meaning red Hill) is a coastal artillery fortress west of Lomonosov, Russia on the southern shore of the Gulf of Finland, opposite Kotlin Island and the Baltic Fleet's base at Kronshtadt. The nearest settlement is Lebyazhye (Лебяжье).
The fort was established in the 18th Century and substantialy modernised in the Late 19th / Early 20th century with the installation of 12 inch guns in concrete casemates. There is an outlying fort called Seraiya Loshad (Grey Horse) containing smaller guns.
The fort was armed with:
The work was completed in 1914
During the Russian Civil War the fort helped defend the city of Petrograd. In 1919 the garrisons mutinied against the Bolshevik regime but this revolt was surpresed by the Reds. Later in 1919 the forts were unsuccessfully attacked by the Royal Navy during the British Campaign in the Baltic 1918-19 and were bombarded by HMS Erebus. In 1921 the guns of the fort bombarded Kronstadt during the Kronstadt rebellion. During World War 2 the fort played a vital part in defending the Siege of Leningrad and maintaining the Oranienbaum Bridgehead. The fort was decommissioned in 1960 and partially demolished. The local authorities of the St Petersburg region are discussing whether to convert the site into a military museum.