Erms

Erms is a small river of the karstified Swabian Alb, Baden-Württemberg, Germany, tributary of the Neckar. On its way from the Karst spring to the next large municipality Bad Urach, a former Erms sedimented, especially during floods, no less than 8 valley cataracts, where chemically precipitated travertine repeatedly drops ca. 2-5 m.