Horben Castle is a castle in the municipality of Beinwil (Freiamt) in the canton of Aargau. It is located at an elevation of 818 meters in the Horben-Hochebene near the border with the Canton of Lucerne. In the 12th Century Muri Abbey owned a farm on the Horben hill. Then, in 1700 Abbot Placidus Zurlauben build a rest home for the sacristan on the hill. The lower Prince-Abbot Gerold Haimb had the Chapel of St. Wendelin and Ubaldus built in 1730 near the home.