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Inn River

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description Inn River Overview

The Inn is a 517-kilometer-long alpine river that begins in the Swiss Alps before flowing northeast through the Austrian state of Tyrol. It passes directly through the city of Innsbruck, serving as a defining geographical feature of the valley. Continuing into Germany, the river eventually converges with the Danube at Passau. This junction creates a notable three-river confluence, where the distinct colors of the Inn, the Danube, and the Ilz are visibly observable.

help Inn River FAQ

Where does the Inn River start and end?

The Inn River rises in the Swiss Alps in the Engadin region and flows 517 km through Austria and into Germany, where it joins the Danube at Passau. At Passau, the Inn meets both the Danube and the Ilz River in a well-known three-river confluence.

What major city does the Inn River flow through?

The Inn flows directly through Innsbruck, the capital of Tyrol, Austria, whose name literally means 'bridge over the Inn.' Innsbruck is a major Alpine city that hosted the Winter Olympics in both 1964 and 1976.

Is the Inn River bigger than the Danube where they meet?

At their confluence in Passau, the Inn typically carries more water than the upper Danube, since the Danube is still relatively small at that upstream point. The contrast in water color between the greenish Inn, the blue Danube, and the dark Ilz is a well-known visual feature of the Passau confluence.

Can you take boat trips on the Inn River?

The Inn is used for recreational activities including rafting and kayaking, particularly in the Tyrolean sections where the river has rapids and scenic gorges. However, it is not a major commercial shipping waterway like the Danube, which limits large vessel traffic.

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