厄兰岛の歴史的な要塞と灯台

Historic Fortifications and Lighthouses

Explore the defensive architecture and maritime history of Öland, Sweden. This list features Iron Age ringforts like Ismantorp and the reconstructed Eketorp, alongside the 13th-century ruins of Borgholm Castle. Complementing these fortifications are historic lighthouses, including Långe Jan at the island's southern tip—Sweden's tallest lighthouse—and the 19th-century Långe Erik in the north. These landmarks offer a chronological look at the region’s strategic importance and coastal navigation.

Public domain

A

Borgholm Castle

Borgholm Castle in Borgholm, Sweden, is today only a ruin of the fortress that was first built in the second half of the 13th century and…

Marcus Grennborg (Exclamation) / CC BY 2.5

B

Eketorp Castle

Eketorp is an Iron Age fort, located in southeastern Öland, Sweden, and extensively reconstructed and enlarged in the Middle Ages.

Arnold Paul / CC BY-SA 2.5

C

Tall Erik

Långe Erik, official name Ölands norra udde, is a Swedish lighthouse built in 1845 and located on a little island, Stora Grundet, in…

Bairuilong / CC BY-SA 4.0

D

Sandby borg

Sandby borg is an Iron Age ringfort, one of at least 15 on the island of Öland, Sweden.

E

Ölands södra udde

Known as Långe Jan, this 41.6-meter tower is Sweden's tallest lighthouse. Constructed in 1785 using stone from a medieval chapel, it is situated at the southern tip of Öland within the Ottenby Nature Reserve.

Håkan Svensson (Xauxa) / CC BY 2.5

F

Ismantorp Fortress

Ismantorp Fortress is the ruins of a ringfort located on Öland Island in Sweden.

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G

Borgholms fyr

A white-painted lighthouse located at the harbor entrance in Borgholm, guiding vessels through the Kalmar Strait. It stands as a functional maritime landmark near the historic Borgholm Castle ruins.

H