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Routes
Hiking trails & Routes
Austria
Lower Austria
Mostviertel
Bezirk Tulln
Zwentendorf an der Donau

Zwentendorf nuclear power plant – View of the Old Traisen loop from Besucherparkplatz

Routes
Hiking trails & Routes
Austria
Lower Austria
Mostviertel
Bezirk Tulln
Zwentendorf an der Donau

Zwentendorf nuclear power plant – View of the Old Traisen loop from Besucherparkplatz

Moderate

4.6

(5)

27

hikers

Zwentendorf nuclear power plant – View of the Old Traisen loop from Besucherparkplatz

02:07

8.34km

20m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: May 13, 2026

Waypoints

A

Start point

Parking

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1

116 m

Zwentendorf nuclear power plant

Highlight • Monument

Here you have a nice view of what is probably the safest nuclear power plant in the world.

On April 4, 1972, the groundbreaking ceremony for the construction project "nuclear power plant Zwentendorf", which had been decided a year earlier by the general assembly of the joint nuclear power plant Tullnerfeld. On February 15, 1972, excavation began at the construction site. The cost of construction was around 8,466 million Schilling (1979) The type of nuclear power plant corresponded to a boiling water reactor. The bottleneck capacity was designed for 730 megawatts.
In the summer of 1977, protest demonstrations also took place in Austria, strongly influenced by the opponents of nuclear power plants in West Germany. In the session of the National Council on July 7, 1978, a resolution was passed on a draft law which in any case bound the further use of nuclear energy to the approval of the National Council and provided for a referendum.
The referendum of November 5, 1978 ended with a participation of around two-thirds of those eligible to vote with 50.5% against and 49.5% for the commissioning. In Zwentendorf, the majority of the population voted in favor of commissioning.

Translated by Google •

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2

326 m

Bärndorfer Hut

Highlight • Mountain Hut

The Bärndorferhütte is a transplanted Alm from Carinthia. The ideal contrast in front of the ruins of the nuclear power plant, a "must see". And an Almdudler. :)

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3

1.71 km

Ideal for resting and swimming

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4

4.39 km

View of the Old Traisen

Highlight • Viewpoint

The Traisen, formed by the source rivers Türnitzer Traisen and Unrechttraisen, is a right tributary of the Danube in southern Lower Austria.

Translated by Google •

Tip by

5

4.50 km

Impressively large impeller casing, exhibited at the Altenwörth power plant.

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6

4.74 km

The old estuary of the Traisen is an interesting sight but not as beautiful as the new renatured one!

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6.00 km

Weingartlwasser

Lake

8

6.76 km

Mouth of the Traisen River

Highlight • River

From St. Pölten the Traisen passes Herzogenburg, after flowing through the Traismauer, it flows into the Danube after the Altenwörth power station. The mouth was relocated eight kilometers to the east as part of the construction of the Altenwörth power station on the Danube.

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9

6.79 km

LIFE+ Traisen renaturation

Highlight • River

Trais+ is Austria's largest renaturation area

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B

8.34 km

End point

Parking

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Way Types & Surfaces

Way Types

7.67 km

422 m

177 m

< 100 m

Surfaces

6.03 km

1.67 km

411 m

< 100 m

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Wednesday 15 July

31°C

18°C

52 %

Additional weather tips

Max wind speed: 5.0 km/h

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