| Erguel Castle | |
|---|---|
Château d'Erguel | |
| Sonvilier, Canton of Bern, Switzerland | |
 Ruins of Erguel Castle | |
  Erguel Castle | |
| Coordinates | 47°08′08″N 6°58′37″E / 47.13567°N 6.97708°E |
| Site information | |
| Open to the public | yes |
| Condition | ruined |
| Site history | |
| Built | before 1264, most likely 11th century |
Erguel Castle (French: Château d'Erguel) is a ruined castle in the municipality of Sonvilier in the canton of Bern in Switzerland. It is the best preserved castle ruin in the French-speaking Bernese Jura.[1]