Unlike the rest of Denmark, Bornholm is known for its majestic rock formations. The north coast is dominated by steep granite cliffs, where Hammershus, Northern Europe's largest castle ruin, stands as a testament to the island's rich history. Running along these cliff edges gives you the feeling of being on the edge of the world, with the waves of the Baltic Sea crashing below. To the south, you encounter a completely different landscape. Here you will find Dueodde Strand with its famous, fine sand, said to be so fine that it was used in hourglasses. A run here is like running through a postcard, where the sound of the sea accompanies every step