| Unspunnen Castle | |
|---|---|
 | |
| Location | Wilderswil |
| Coordinates | 46°40′07″N 7°51′26″E / 46.66861°N 7.85722°E |
  Location of Unspunnen Castle in Switzerland | |
Unspunnen Castle is a castle, now in ruins, located in the municipality of Wilderswil in the Bernese Highlands of Switzerland. The castle, likely constructed in the early 12th century,[1] overlooks the city of Interlaken.
Today, Unspunnen is home to Unspunnenfest, a festival of traditional Swiss competitions held in the fields below the ruins.