The Main River: Germany's Longest Internal Waterway

The Main River (German: Main, pronounced "Mine") is the longest river entirely within Germany at 524 km (326 mi).

Course

• Source: Fichtel Mountains (White Main & Red Main converge at Kulmbach).
• Flow: West through Bavaria (Bamberg, Würzburg), Hesse (Frankfurt), Rhineland-Palatinate.
• Mouth: Rhine at Mainz (km 503 of Rhine).

Key Stats

• Basin: 24,100 km²
• Navigable: 386 km (to Bamberg) via Main-Danube Canal (Rhine–Main–Danube link → North Sea to Black Sea).
• Major tributaries: Regnitz, Fränkische Saale, Tauber, Nidda.

Economic & Cultural Role

• Frankfurt: Financial hub on Main; inland port (2nd largest in Germany).
• Wine: Franconia (Silvaner, Müller-Thurgau) – Bocksbeutel bottles.
• Hydropower: 20+ dams/weirs.
• History: Celtic/Roman settlements, Medieval trade, Thirty Years' War battles, WWII crossing.

Recreation

MainRadweg (600 km cycle path), river cruises, rowing clubs, swimming lakes (Mainseen).