Oxenfoord Castle, Viaduct

Scotland's National Record of the Historic Environment records Oxenfoord Castle, Viaduct as Road Bridge (18th Century), Viaduct (18th Century). The official map says its point is accurate as follows: NGR given to the nearest 1m. The record does not by itself mean that the public may enter the place.

Oxenfoord Castle itself was a medieval stronghold, though the viaduct and bridge nearby were built in the 18th century, likely as part of infrastructure improvements. The site is historically significant due to its association with the Cowal Peninsula's strategic and transport history.