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Which rivers flow through Rhineland-Palatinate?

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Mainz: St. Martin's Cathedral — Rhineland-Palatinate St. Martin's Cathedral in Mainz, Germany.

Several major rivers flow through the state of Rhineland-Palatinate, shaping its geography and economy:

Rhine River: This major waterway crosses the region from the southeast to the northwest.1
Moselle (Mosel) River: A tributary that flows into the Rhine at Koblenz.12
Lahn River: A tributary that joins the Rhine from the northeast.1
Nahe River: This river borders the southwestern portion of the state to the north.1
Sieg River: The valley of this river bounds the Westerwald region to the north.1

These river valleys are central to the state's viticulture, as the famous vineyards along the Rhine, Moselle, and Nahe rivers produce a significant portion of Germany's wines. Additionally, the Rhine and Moselle serve as important navigable transportation routes for the region.1