Rhine River Map: Interactive Guide to the Full 1,232 km Course Through 9 Countries

A map of the Rhine tells a story that statistics alone cannot. It shows how a narrow Alpine stream grows into a broad lowland river, how geological forces shaped its course, and why certain cities stand where they do. In this guide, I walk through the Rhine’s route section by section, highlighting the landmarks, confluences and turning points that make this river unlike any other in Europe.
Reading the Rhine on a Map
Traced from source to mouth, the Rhine forms a distinctive inverted “L” shape. The first leg runs roughly northeast from the Swiss Alps through the Alpine Rhine valley to Lake Constance. After crossing the lake, the river turns west along the High Rhine. At Basel, it makes its most dramatic change of direction — pivoting nearly 90 degrees to flow due north through the Upper Rhine Graben. At Mainz, it bends northwest through the Middle Rhine gorge, continues north through the Lower Rhine, and finally fans west and north in the Dutch delta.
This shape is a product of geology. The north-south Upper Rhine follows a tectonic rift valley (the Rhine Graben) that began forming some 35 million years ago. The Middle Rhine gorge was carved as the river cut through the slowly rising Rhenish Slate Mountains. And the delta formed where river sediments accumulated in a subsiding coastal plain over millennia.
Key Waypoints Along the Route
The Source Region (Rhine-km 0)
Tomasee at 2,345 m above sea level in the canton of Graubünden, Switzerland. The Vorderrhein flows from here through the Swiss Rhine Gorge (the “Swiss Grand Canyon”) to meet the Hinterrhein at Reichenau. On a map, this confluence is the point where the Rhine officially begins.
Lake Constance (Rhine-km ~90)
The Rhine enters Lake Constance near Bregenz (Austria) and exits at Stein am Rhein (Switzerland). The lake itself — 536 km², shared by Germany, Austria and Switzerland — is clearly visible on any map as the largest body of water along the Rhine’s course.
Rhine Falls and Basel (Rhine-km ~90–165)
The Rhine Falls near Schaffhausen — Europe’s largest waterfall by volume, with a 23-meter drop — sits on the High Rhine. At Basel (Rhine-km 165), the river makes its great northward turn. On a map, this bend marks the transition from Swiss river to international waterway: commercial navigation begins at Rheinfelden, just upstream.
The Upper Rhine Plain (Rhine-km 165–529)
Between Basel and Bingen, the Rhine flows through the broad, flat Rhine Graben. On a map, you can clearly see the river running almost ruler-straight in many sections — this is the legacy of Tulla’s straightening (1817–1876). The Grand Canal d’Alsace parallels the Rhine on the French side for about 50 km. Major tributary confluences: Neckar at Mannheim, Main at Mainz.
The Middle Rhine Gorge (Rhine-km ~529–659)
Between Bingen and the Sieg confluence, the Rhine cuts through the Rhenish Slate Mountains. On a map, the river’s course becomes noticeably winding — a stark contrast to the straight Upper Rhine. The Loreley rock (Rhine-km 555) marks the narrowest point at 113 meters. The Moselle joins at Koblenz (Rhine-km 592) at the famous Deutsches Eck.
The Lower Rhine (Rhine-km ~659–862)
Below Bonn, the map shows the Rhine widening as it enters the flat North German Plain. The major urban cluster of Cologne–Düsseldorf–Duisburg is clearly visible, with the Ruhr and Lippe tributaries joining from the east. At Emmerich (Rhine-km 852), the river crosses into the Netherlands.
The Delta (Rhine-km 862–North Sea)
On a map, the Dutch delta is unmistakable: the single Rhine channel splits into three branches — Waal (67%), Nederrijn/Lek (22%) and IJssel (11%). The Waal leads directly to Rotterdam and the Nieuwe Waterweg outlet. The IJssel flows north to the IJsselmeer. The entire delta is a web of canals, dikes and managed waterways — the most engineered river landscape in Europe.
What the Map Reveals
Several patterns become clear when viewing the Rhine’s full course on a map:
- Urban clustering: The densest concentration of cities lies along the Lower Rhine (Cologne to Duisburg) and the Upper Rhine (Mannheim to Mainz). These corridors house the economic engines that depend on Rhine shipping.
- Tributary asymmetry: Most major tributaries — Main, Neckar, Lahn, Ruhr, Lippe — join from the right (east) bank. The major left-bank contributor is the Moselle.
- The gradient drop: The river loses 2,345 meters of elevation over its course, but the distribution is extremely uneven. Nearly all of the drop occurs in the first 300 km (Alpine Rhine and High Rhine). The Lower Rhine falls just ~10 meters over 212 km.
For detailed information on each river section, the major tributaries or the nine countries that share the Rhine, explore our geography section.