The Retzer Erlebniskeller is one of the largest historic wine cellars in Central Europe and stretches for about 20 kilometers under the old town of Retz in Lower Austria. The citizens of Retz dug this impressive system of tubes and tunnels up to 20 meters deep into the sandy subsoil. Today, the cellar is only accessible as part of a guided tour – which offers not only fascinating insights into the subterranean labyrinth but also into the history of winemaking in the region.
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The origins of the Retz Cellar Labyrinth date back to the Middle Ages. The first documented mentions date back to 1279, but the massive expansion took place primarily in the 16th and 17th centuries. The reason for this: Retz Although no wine was produced, the town became an important trading center for wine from the entire Weinviertel region. Because the town is composed of loess and sandy soil, this soil was easy to erode – an advantage for cellar builders, but a disadvantage for stability: Many houses in Retz sank over the centuries due to the uncoordinated construction of cellars. Only an orderly expansion, including ventilation shafts and supporting structures, brought the necessary safety.
In the past, cellars were used not only for wine storage, but also for escape during attacks, as food storage, or as a cool refuge in the summer. During World War II, parts of the cellar served as an air raid shelter.
Today, the cellar is disused, but is excellently preserved and equipped with electric lighting. Only about 1.5 km of the total 20 km are accessible during guided tours.
The tour starts at the main square of Retz with a brief historical overview of the city. Afterwards, an underground entrance leads just outside the center into the labyrinth of cellars. During the tour, you'll gain interesting insights into the architecture and technology of cellar construction – including a 25-meter-deep shaft that once served as a ventilation and escape shaft. You'll see typical cellar vaults, learn how wine was stored in the past, and see historic barrels that could hold up to 10,000 liters.
One highlight is the so-called "water chamber," where rainwater was once filtered through a sandstone filter. You'll also be shown a spot where a house collapsed in the 18th century—a striking example of the dangers of uncoordinated excavations.
A wine that was served at the signing of the Austrian State Treaty in 1955 is also stored here.
The tour concludes in the modern wine shop of the Hotel Althof, where you'll enjoy a guided wine tasting of typical regional wines. The wine shop offers over 150 wines from the "Retzer Weinberge" vineyard, which you can taste and purchase on-site.
Plan enough time – in addition to the guided tour, a walk through the old town of Retz with the imposing main square, the sgraffito house façade, and the Retz Windmill Hill. The windmill can also be visited and is just a few minutes away.
The Retzer Land around the town also invites you to further excursions – whether cycling through the vineyards, a visit to a Heurigen or a detour to Pulkau, Hardegg or to the neighboring Czech Republic.