Jarmers Tower, Medieval tower ruins in Jarmers Plads, Copenhagen, Denmark
Jarmers Tower is a circular red brick ruin standing at a busy crossroads in the center of Copenhagen, where two major boulevards meet. The surviving walls are made partly from dark-fired bricks that give the surface a textured, uneven appearance.
The tower was built around the 1500s as one of several defensive towers protecting medieval Copenhagen. After centuries of decay, excavations in the 1880s uncovered and secured what remained of the structure.
The tower takes its name from Prince Jaromar II of Rügen, who led Wendish forces through the wooden city defenses of Copenhagen in 1259. A small information panel near the ruins tells this story to passing visitors.
The ruin sits at an open crossroads in the city center and is freely accessible at any time of year. It fits naturally into a walk through central Copenhagen without needing to plan a separate stop.
Jarmers Tower is the only medieval fortification tower in Copenhagen that remains visible above ground, while all others have vanished without a trace. Its position at the edge of a modern urban boulevard makes the contrast between the old city wall and the current street plan especially clear.
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