Kilnap Viaduct, Railway viaduct in Cork, Ireland
Kilnap Viaduct is a railway viaduct with eight arches in Cork that spans the Glennamought River and Mallow Road. It was constructed using limestone piers with round-headed arches and limestone vaulting throughout.
The viaduct was built in 1845 under William Dargan's direction as part of the Great Southern & Western Railway connecting Dublin and Cork. It remains in service today on that same historic route.
The structure represents Ireland's industrial past and shows the skilled stonework of 19th-century craftsmen. It stands as a symbol of the engineering advances that were possible at that time.
The viaduct can easily be seen from the road and viewed from several points nearby. The best views come from Mallow Road or the paths along the river valley.
The stone arches display fine craftsmanship details that become clear when viewed up close. Many visitors overlook the careful finishing of the limestone elements, which shows best in daylight.
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