Allinge · Denmark

Hammershus

Extensive medieval castle ruins on a rocky headland in northern Bornholm, with Baltic views.

Hammershus Hubertus · CC BY-SA 3.0
Typical visit
2 hours 30 minutes
Setting
Outdoor
Region
Bornholm
Last checked
10 Aug 2026

Why visit

Within Bornholm, Hammershus has a clear identity and traveller purpose rather than serving as a filler stop. Extensive medieval castle ruins on a rocky headland in northern Bornholm, with Baltic views. The visit brings together Medieval walls and towers, Baltic Sea views, Headland landscape. Its relationship with Allinge and the surrounding region means it can add depth to a realistic day plan while keeping transfers sensible.

What you will see

  • Medieval walls and towers.
  • Baltic Sea views.
  • Headland landscape.

History

A major medieval fortified complex that passed through church, crown and foreign hands before losing its military role.

Photographs

Hubertus · CC BY-SA 3.0 · full attribution on the image credits page.

Visitor tips

  1. 1

    The ruins include slopes, steps, rough stone and uneven grass; accessible viewpoints are more limited than the full site.

  2. 2

    Check the official source shortly before travel for current access, opening, transport and booking information.

About Bornholm

Granite coast, medieval ruins, round churches, beaches, forest and the offshore Ertholmene islands.

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