Schwallenbrunnen, Karst spring in Bruchsal, Germany.
Schwallenbrunnen is a karst spring in Bruchsal that emerges from limestone formations. Water flows through a 320-meter-long side branch of the Saalbach River, forming natural pools along the way.
The side channel where the spring flows was created during construction of the Westbahn railway line between 1850 and 1853. This rail project significantly altered the water pathways in the area.
The spring's name comes from 'Schwall,' referring to the original surge pattern of water emerging from the ground. This naming tradition reflects how locals described the powerful flow that once characterized the site.
The water flow today is much weaker than in the past, now around ten liters per second. Plan time for calm observation, as the spring is best appreciated without rushing.
In the past, the spring reached depths of about 3 meters (10 feet), which is unusually deep for a karst spring. This dramatic difference shows how much the water flow has changed over time.
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