Sellenbüren / Ofengüpf: A Medieval Castle Site in Stallikon, Switzerland
Visitor Information
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Country: Switzerland
Civilization: Unclassified
Remains: Military
History
The site known as Sellenbüren / Ofengüpf is situated in the municipality of Stallikon, Switzerland. It occupies a strategic position on the western slope of the Uetliberg mountain and was originally developed by local communities during the Bronze Age.
The earliest phase of human presence at this location dates back to the Bronze Age, when a settlement was established on the plateau that now bears the name Ofengüpf. Several centuries later, around the 11th century, the site saw the construction of a wooden manor house, indicating its transformation into a medieval castle environment. This castle is associated with the Freiherren, or barons, of Sellenbüren. Although the barons themselves most likely resided in the nearby Uetliburg, this site was probably used by their vassals or household servants as a fortified dwelling or administrative outpost.
By the 12th century, the castle was deliberately abandoned. Archaeological evidence shows that the inhabitants not only left the site but also set it on fire before departing. This intentional destruction suggests a planned evacuation rather than a conquest or accidental loss. Following its abandonment, the castle did not resume occupation and remained a ruin, eventually becoming known for its historical remnants on the Ofengüpf plateau.
Remains
The medieval castle on the Ofengüpf plateau was primarily constructed as a wooden manor built upon a stone foundation. The choice of wood for the main building material reflects common practices for similar residences of the period. The defensive perimeter did not include a stone ring wall; instead, it relied on a wooden palisade, which has since deteriorated entirely. The natural topography provided protection on three sides by steep terrain, while a man-made neck ditch was carved on the most accessible side to enhance defense.
Over time, the original size of the plateau was reduced due to repeated landslides, which contributed both to the loss of the fortification’s footprint and any remaining structural elements. Excavations conducted in 1950 and 1951 uncovered a range of artifacts consistent with the site’s 12th-century use and abandonment. These included ceramic fragments, pieces of horseshoes, arrowheads, two keys, a knife, a belt buckle, and a richly decorated spur featuring spikes. These objects reflect the daily life and status of the castle’s former occupants before they evacuated and burned the manor.
Today, the remains mostly consist of the stone base of the manor house and the defensive neck ditch, preserved in their original locations. These elements provide tangible insight into the site’s layout and defensive strategies during its brief medieval occupation. No stone fortifications survived, underscoring the reliance on wooden structures complemented by the natural landscape for protection.