Please click here for more information. Monmouth Castle The Castle, Monmouth, Monmouthshire Castle established by William Fitz Osbern in the late 11th century. The remains of the great hall date to the first half of the 12th century. Later remodelled by the Lancasters. Birthplace of Henry V.   Accommodation and Events There's a good choice of quality assured accommodation and often events in the area covered by the map below. About our location: Monmouth town centre     Reset Map Position Admission Special offer Adult price Free Child price Free Family price Free Concessions Free Opening Hours: Access is available at all reasonable times. This will normally be between 10:00 and 16:00 daily.     Monmouth Castle The Castle, Monmouth, Monmouthshire  Telephone 029 2082 6185 Website	Accommodation Beaches Events Restaurants Click on the channels above to get information on areas covered by the zoomable maps.