Medieval castle ruins of Niederwindegg

The medieval castle ruins of Niederwindegg are an archaeological site in the municipality of Schänis, canton of St. Gallen, Switzerland, near Rufi and between Schänis and Ziegelbrücke. The castle, also called Unterwindegg, once served as an administrative seat for the Gasterland region.

What is this place?

Today Niederwindegg is a ruin, with most of its walls buried under rubble and vegetation. The site consisted of two separate building complexes divided by a ditch. Cantonal archaeological inventories describe a two-part castle dating from the early 13th century, built over the remains of Roman structures. The exact date of construction is not settled, though, and different accounts give it differently.

What is the castle's history?

Documents from 1220 and 1229 mention lords of Windegg, but the sources do not make clear whether they belonged to this castle or to another stronghold with a similar name. A firmer trace dates to 1230, when Hartmann the Elder, Count of Kyburg, passed his Gaster holdings, including the toll station and the castle, to his wife Margaretha of Savoy.

By 1285 a Habsburg official was based here, confirming Niederwindegg's role as a seat of administration. As tensions with Austria grew, the fortress was strengthened in 1359 and 1384. After 1438 the castle fell into ruin and never regained its former importance.

Research and conservation

In 2020 the ruin was the subject of a building-archaeology study and conservation work on its walls. The results were presented in 2021 in the journal of the Swiss Castle Association (Burgenverein). Before that, the building history of the two complexes was largely unknown.

Frequently asked questions

Where is Niederwindegg? In the municipality of Schänis in the canton of St. Gallen, Switzerland, close to Rufi and between Schänis and Ziegelbrücke.

Is it the same as Unterwindegg? Yes, Unterwindegg is another name for this castle. It should not be confused with Oberwindegg, a different site nearby.

When was the castle built? The cantonal inventory points to the early 13th century. The key records of its use by the Habsburgs date from the 13th to 15th centuries.

What remains of the structure? Ruins: wall fragments from two building complexes separated by a ditch, largely hidden under rubble.

Who ran the castle? In 1285 it was a Habsburg official; the castle served the administration of the Gasterland and the collection of tolls.

Who should visit?

The site suits fans of medieval history, archaeology and the castles of eastern Switzerland. Do not expect restored interiors: this is a ruin with traces of walls and a ditch, and its value lies in the history of the region and the Linth valley landscape. It pairs well with a walk around Schänis.