# Burgruine Friesenberg

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Content updated: 2026-06-22

Burgruine Friesenberg stands on the steep, terraced spur of Goldbrunnenegg above Wiedikon in Zurich. The woodland site lies on the eastern side of the Uetliberg. A record from 1218 names the castle as a landmark in a property description for St Peter’s Church. The castle probably arose around 1200. Its position placed it near the end of Zurich’s Letzi defensive line and close to the Regensberg family’s Uetliburg. The Mülner, Regensberg and Habsburg families all appear in the site’s documented history. By 1317, records described Friesenberg as a Burgstall, meaning a castle site without standing buildings. The property later passed through several owners before Zurich acquired the grounds in 1902. Archaeological work between 1925 and 1930 uncovered an outer wall and a separate well. The medieval complex occupied terraces with masonry remains, a boundary wall, a round well and a defensive structure on the southeast slope. The main tower probably measured about six metres square. Much of the masonry visible now comes from twentieth-century reconstruction rather than the medieval castle. Restoration work in 2021 and 2022 shaped new stonework in a medieval style while leaving the original walls concealed inside. Burgruine Friesenberg therefore presents both a medieval site and a record of changing archaeological interpretation. The ruins form part of Zurich’s green belt near the Uetliberg.

- City: [Zurich](https://mytuur.com/en/city/zurich/)

## Photos

- ![](https://mytuur-bucket.s3.amazonaws.com/image_BurgruineFriesenberg_68631acc717a3e13abfb8ac7_0.jpg) — [Image: wikimedia](https://de.wikipedia.org/wiki/Datei:Zürich_-_Uetliberg_Friesenburg_Goldbrunegg-Halsgraben.jpg)
- ![](https://mytuur-bucket.s3.amazonaws.com/image_BurgruineFriesenberg_68631acc717a3e13abfb8ac7_1.jpg) — [Image: wikimedia](https://de.wikipedia.org/wiki/Datei:Zürich_-_Uetliberg_Friesenburg_Burghügel.jpg)
- ![](https://mytuur-bucket.s3.amazonaws.com/image_BurgruineFriesenberg_68631acc717a3e13abfb8ac7_2.jpg) — [Image: wikimedia](https://de.wikipedia.org/wiki/Datei:Zürich_-_Uetliberg_Friesenburg_Sodbrunnen.jpg)
- ![](https://mytuur-bucket.s3.amazonaws.com/image_BurgruineFriesenberg_68631acc717a3e13abfb8ac7_3.jpg) — [Image: wikimedia](https://de.wikipedia.org/wiki/Datei:Zürich_-_Uetliberg_Friesenburg_Vorderansicht_Panorama.jpg)
- ![](https://mytuur-bucket.s3.amazonaws.com/image_BurgruineFriesenberg_68631acc717a3e13abfb8ac7_4.jpg) — [Image: wikimedia](https://de.wikipedia.org/wiki/Datei:Burgruine_Freienstein_Gross.jpg)

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