Kalmar Strait

The Kalmar Strait (Swedish: Kalmarsund) is a strait in the Baltic Sea, located between the Swedish island of Öland and the province of Småland of the Swedish mainland. The strait is about 130 kilometres (81 mi) long and between 5 kilometres (3.1 mi) and 25 kilometres (16 mi) in width.

Kalmar Strait
The Öland bridge spans across the Kalmar Strait
Coordinates56°43′56.60″N 16°26′57.41″E
Basin countriesSweden
Max. length130 km (81 mi)
Max. width25 km (16 mi)
Min. width5 km (3.1 mi)

There is a road bridge across the strait, the Öland bridge, opened in September 1972.


The areas along the Kalmar Strait have a heritage of Neolithic and Bronze Age habitation;[1] moreover, Mesolithic peoples crossed the strait on an ice bridge in the early Holocene period as glaciers began to recede from Öland. A place where early Mesolithic settlement of the island of Öland occurred is Alby, whose people migrated across the Kalmar Strait approximately 6000 BC, and established one of the oldest known Mesolithic villages in Northern Europe.[2]


  1. Thomas B. Larsson, The Bronze Age Metalwork in Southern Sweden, 1986, University of Umeå, Dept of Archaeology, 200 pages ISBN 91-7174-229-8
  2. C.Michael Hogan (2007) Alby Mesolithic Village, The Megalithic Portal, ed. Andy Burnham
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