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Oscarsborg Fortress - Fortress
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Oscarsborg Fortress

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description Oscarsborg Fortress Overview

A Norwegian island fortress in the Oslofjord, built in 1845, renowned for sinking the German heavy cruiser Blücher during the April 1940 invasion of Norway.

insights Why this score

Oscarsborg Fortress ranks #80 of 188 in the Fortress ranking, behind Burg Rheinfels, ahead of Fort de Salses.

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How good is Oscarsborg Fortress?
Oscarsborg Fortress scores 6.90/10 (Fair) on Lunoo, making it rated in the Fortress category.
What are the best alternatives to Oscarsborg Fortress?
See our alternatives page for Oscarsborg Fortress for a ranked list with scores. Top alternatives include: Fort Jefferson, Aragonese Castle of Ischia, Citadel of Corfu.
How does Oscarsborg Fortress compare to Fort Jefferson?
See our detailed comparison of Oscarsborg Fortress vs Fort Jefferson with scores, features, and an AI-powered verdict.
Is Oscarsborg Fortress worth it in 2026?
With a score of 6.90/10, Oscarsborg Fortress is a solid option in Fortress. See all Fortress ranked.

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