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1st Viennese Water Pipeline Trail

Hiking tour Starting from Hirschwang an der Rax

  • Difficulty: Moderate
  • Distance: 4,00 km
  • Ascent: 49 m elevation gain
  • Descent: 20 m elevation gain

Through the wild romantic Höllental, past rugged rock faces, a hiking trail has led from Kaiserbrunn to Reichenau since 1998 along the high spring water pipeline that has supplied Viennese with tap water since the second half of the 19th century.

Starting point of the tour
Hirschwang an der Rax
Tour destination
Kaiserbrunn
  • Difficulty: Moderate
  • Distance: 4,00 km
  • Ascent: 49 m elevation gain
  • Descent: 20 m elevation gain
  • Fitness level required:
    3/6
  • Overall experience:
    5/6
  • Scenery:
    6/6
  • Lowest point509 m
  • Highest point564 m
  • Accessibility by train and bus
  • Suitable for families and children

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Description

The route, which is just under 4 km long, runs over a path with some stairs along the crystal-clear Schwarza. 

After the hike, you can make a detour to the Water Pipeline Museum in Kaiserbrunn, where the efforts in the provision of drinking water are demonstrated. 

The path is an experience for young and old and perfect for a relaxed excursion into nature. The path requires sure-footedness and stamina to master the idyllic route with some ascents and stairs.

Recommended period

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Current weather in Hirschwang an der Rax

Today, 11.02.2026

2° to 3°

Today, 11.02.2026

Moderate snowfall

Wind speed1,6 km/h

Tomorrow, 12.02.2026

1° to 4°

Tomorrow, 12.02.2026

Moderate snow shower

Wind speed1,9 km/h

Facts about the 1st Viennese Water Pipeline:

  • The construction of the pipeline was ordered by Emperor Franz Joseph to supply the Viennese, and the source was named Kaiserbrunn.
  • The construction time of the 95 km long pipeline from Kaiserbrunn to Vienna took 4 years (1869–1873).
  • To this day, half of Vienna's tap water comes from this source. Over 60 million cubic meters flow annually through the historic pipeline.

Further information:

Vienna Alps in Lower Austria, www.wieneralpen.at, +43 / 2622 / 78960

Tourism Office Reichenau, Tel. 02666/52865
Water Pipeline Museum Kaiserbrunn, Tel. 02666/52548

Dining options in Reichenau