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Natural Monuments
Denmark
Southern Denmark

Sønderborg

The Top 20 Natural Monuments in Sønderborg

Sønderborg’s landscape is a beautiful place to explore — something that you can best experience by visiting one of our 20

beautiful natural monuments in Sønderborg. To help you find the one for, you can see all the details you need to explore the best natural monuments, and better plan your next outdoor adventure!

Last updated: October 1, 2025

Geltinger Birk Nature Reserve

A well-developed hiking and biking trail gives you the opportunity to always descend the Geltinger Birk along the coast. Most beautiful in the early morning or late evening hours!

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A beautiful nature reserve in a unique location by the sea.

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Locked barrier, passage width less than 80cm

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This section of the trail passes through dense hawthorn bushes forming an almost closed tunnel above the heads. Very pretty to look at, when the bushes are green and overgrown.

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With bicycles a bit difficult to get down there, so connect the bike and the last few meters on foot to the northern tip!

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Extend your search for the best caves by checking out these guides of the top ones in Sønderborg:

VardeTønderNationalpark VadehavetFanøAabenraaLangelandVejleNordfynFaaborg-MidtfynKertemindeAssensEsbjergHaderslevKoldingBillundVejenMiddelfartBlåbjerg KlitplantageOdenseNyborgFredericiaSvendborgKærgård KlitplantageFanø Klitplantage

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