Home Things To Do Search Caerphilly Castle Explore things to do Category Select from these options Food and Drink Just for Two Family Friendly Historic Britain Great Outdoors Enter Your Destination From Date To Things To Do Suggested Getaways near Caerphilly Castle More Suggested Getaways Home Things To Do Caerphilly Castle Caerphilly Castle Caerphilly, South Wales Family Friendly, Historic Britain Built by Gilbert de Clare, Caerphilly Castle was a stone behemoth surrounded by a series of moats and watery islands, a mammoth stronghold using the concentric walls within walls system of defence. Used in T.V. and film productions including Merlin. Explore all Attractions & Events Contact Info Caerphilly Castle, Caerphilly, CF83 1JD 01443 336000 Visit website Other Things to Do in the Wales Region Brechfa ForestNational Museum, Cardiff Bounce BelowCycling and off road cycling.Greenwood Forest ParkDolgoch Falls, AbergynolwynLLandysul PaddlersVale of Reidol RailwayRomans at CarleonOffa's Dyke Path - National TrailWalk the Berwyn MountainsRoyal Welsh Show