More Safety on the Old Danube in Vienna: New Regulation Comes into Effect in 2026

As of January 1, 2026, a new set of rules will apply to the Old Danube. The city of Vienna is responding to the increased number of recreational users as well as safety issues due to the coexistence of swimmers, rowers, and motorized boats. The aim of the regulation: clear rules and safe coexistence on the water.

Legal Framework Replaces Old Navigation Rules

The new "Regulation on the Regulation and Safety of Navigation on the Old Danube" replaces the previous, non-binding navigation rules. For the first time, it creates legally binding requirements for all watercraft – from registration requirements to speed limits.

Gerald Loew, head of MA 45 – Vienna Waters, emphasizes: "The new regulation is a necessary step for more safety and clear responsibilities on one of Vienna's most popular recreational waters."

Speed Limit and Engine Power Limits

Motorized watercraft may in the future only travel at a maximum of 10 km/h – in line with the nationwide lake and river traffic regulations. Boats with combustion engines are limited to 4.4 kW (approx. 6 HP). Sporting use remains: rowing and sailing boats are exempt from the speed regulation.

Registration and License Plates Become Mandatory

From January 2026, watercraft – with few exceptions such as small pedal boats and rowing boats under 4.5 m – must be registered online. Upon registration, a visible license plate is automatically assigned. This must be affixed to the boat and serves for better identification in case of incidents.

Rules Apply to All Water Areas

The regulation applies to the Upper and Lower Old Danube, the Kaiserwasser, the Schießstattlacke, and the Water Park. Boats may in the future be no longer than seven meters and no wider than 2.55 meters. The City of Vienna is now providing information on the MA 45 website about deadlines, requirements, and the exact registration process.

(Red)

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