Goldbach () is a small river of Baden-Württemberg, Germany. It flows into the Bibers near Waldenburg. The Goldbach flows out from the RöÃÂlesmahdsee, located about 400 m northeast of Waldenburg-Goldbach. It drains a 1.9ha lake, situated 455<abbr>m above</abbr> sea level and to the south and immediately begins a gentle curve to the west.