"Cnapóg [Knappogue] castle is a very fine square
building on the brow of a rocky steep precipice. It is perfect inside
and outside, and with a small modern building attached, forms the feudal
looking residence of Captain John Scott. It lies north of Six Mile Bridge
about six miles."
From 
Letters
on the Antiquities of County Clare, 1835 by Eugene O’Curry
Reference in
Ordnance Survey Letters
by J. O’Donovan and E. Curry, 1839
The
Butlers of Knoppogue from The Butlers of County Clare by Sir
Henry Blackall
Search the online photographic collection for images of Knopoge Castle
On 1842 Ordnance Survey Map (using GenMaps)
On Bing maps satellite view (using GenMaps)
On Bing maps satellite view with OS Map overlay showing all monuments and enclosures (using GenMaps)
On 1842 Ordnance Survey Map (via MapBrowser)
