Lakes
Blautopf
Blaubeuren
The Blautopf in Blaubeuren is a spring of almost unreal color: a funnel-shaped pool on the edge of the Swabian Alb that glows turquoise to deep blue, about 10 miles west of Ulm in Baden-Württemberg. It is the source of the Blau River, the…
30–120 min