Ridnauner Bach
Upper reaches of the creek at Ridnauner Maiern
Template: Infobox River / Obsolete
The Ridnauner Bach, also called Mareiter Bach or Ridnaunbach, is a right, 25 km long tributary of the Eisack. The Ridnauner creek flows through the Ridnauntal and drains an area of 212 km ² and flows on the southern edge of Sterzing in the Eisack.