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Jamno [ˈjamnɔ] is a lake in northern Poland (in West Pomeranian Voivodeship), close to the Baltic Sea. It is divided from the sea by a spit, on which lie the resorts of Mielno and Unieście.

Jamno bird's-eye view 2008-08.jpg
Aerial view showing Jamno lake and the spit which divides it from the Baltic Sea
Locationnorthern coast of Poland
Coordinates54°16′24″N 16°09′02″E / 54.2733°N 16.1506°E / 54.2733; 16.1506Coordinates: 54°16′24″N 16°09′02″E / 54.2733°N 16.1506°E / 54.2733; 16.1506
Typenatural brackish lake]].[1]
Basin countriesPoland
Max. length10.1 kilometres (6.3 mi)
Max. width3.4 kilometres (2.1 mi)
Surface area22 km2 (8.5 sq mi)
Max. depth3.9 metres (13 ft)
Surface elevation0 m (0 ft) [2]

Jamno covers an area of over 22 square kilometres (8.5 sq mi); its maximum length is 10.1 kilometres (6.3 mi) and its maximum breadth is 3.4 kilometres (2.1 mi). Its greatest depth is 3.9 metres (13 ft). The lake is popularly used for sailing.

An examination of this lake from 2007 shows it is a brackish coastal lagoon that at that time was heavily polluted by sewage from the nearby city of Koszalin.[3]


  1. ^ Ewa Dzika, A. Kuształa and M. Kustala, "Parasites of carp bream, Abramis brama , from Lake Jamno, Poland," in  Helminthologia, pp. 222-5, online at .
  2. ^ "Jezioro Jamno," Get Directions website, at .
  3. ^ Dzika, et al., pp. 222-5.