Main River Storm

The Main is the longest tributary of the Rhine. It rises as the White Main in the Fichtel Mountains of northeastern Bavaria and flows west through central Germany for 525 kilometres to meet the Rhine below Rüsselsheim, Hesse. The cities of Mainz and Wiesbaden are close to the confluence.
  • Country: Germany
  • Length: 524.9 km (326.2 mi)
  • Basin size: 27,208 km² (10,505 sq mi)
  • Progression: Rhine→ North Sea
Data from: en.wikipedia.org