Rakotzbrücke, Devil's Bridge in Kromlau Park, Germany

Rakotzbrücke is a semicircular arch in Kromlau landscape park, Saxony, spanning 35 meters across Rakotz Lake using dark basalt stones from Saxon Switzerland and field stones, designed as a deliberate focal point. The structure forms a central element within the park's layout through its precise curvature and placement.

After purchasing the Kromlau estate in 1842, Friedrich Hermann Rötschke commissioned this ornamental structure between 1863 and 1882 as part of a comprehensive park development featuring exotic plantings and artificial grottoes. The works required decades of planning and precise stonework to achieve the intended symmetrical form.

The Devil's Bridge name draws from medieval tradition, when builders attributed technically demanding structures to demonic assistance because human skill alone seemed insufficient for such construction challenges.

Entry to the grounds is free, with parking available near the Azalea and Rhododendron Park entrance at Altes Schloss 11. Visitors cannot walk across the structure to preserve its integrity.

The reflection in calm lake water completes the semicircle into a perfect ring, an optical effect deliberately planned by the builder through precise arch curvature calculations. This visual impression occurs only when the water surface is still and changes with the light throughout the day.