Ehrenfels Castle, Castle ruin in Sils im Domleschg, Switzerland

Ehrenfels Castle is a ruined hilltop castle south of Sils im Domleschg, on a two-level rock outcrop along the path to Hohenrätien. Its centre is a four-storey bergfried; the residential palas was largely demolished, leaving few wall remains. A partly double ring wall surrounds the site, and the original terrain was altered by levelling during the 1930s restoration.

Construction began in the early 13th century, with the first documented record of its rulers appearing in 1257. The fortress changed hands among different noble families throughout the medieval period before experiencing modern transformation.

The castle reflects how feudal lords shaped this mountain region and controlled the valley below through their stronghold. Walking through its rooms, visitors can sense how this place once served as both home and fortress for successive families.

The castle now operates as a youth hostel offering overnight accommodation for visitors and hikers in the region. The approach involves steep mountain paths, so sturdy footwear and reasonable fitness are needed to reach the site.

Major renovations in the 1930s transformed the structure into a youth hostel without formal archaeological study, leaving gaps in understanding how it was originally built and lived in. This conversion erased important details that might have revealed more about daily life within its walls.