Oystermouth Castle, Swansea

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With stunning views over Mumbles, Oystermouth Castle sits majestically on the hill overlooking Swansea Bay. It's looking especially good these days thanks to a recent facelift. A massive amount of work has taken place to stitch the castle structure back together making it safe and sustainable for the foreseeable future. Earth has been dug under the expert eye of Glamorgan Gwent archaeologists to expose private staircases leading from vaults to previous banqueting halls. Staircases have been lightened by lime washing walls, and made safe with rope handrails.

Views that have been hidden away for centuries have been revealed thanks to a 30 foot high glass bridge; ancient graffiti art from the 14th century can be spotted if you're close enough, and access to the castle has been dramatically improved.

A whole maze of rooms have been made safe and accessible.

History of Oystermouth Castle
The castle was used as the residence of the Marcher Lords of Gower. In the twelfth century the castle was mainly owned by the first Earl of Warwick and his family. In 1203 the lordship of Gower was given to the de Breos family who ruled until the 1320s when it passed into the hands of the de Mowbray’s via Alina de Breos who married John de Mowbray.

The de Mowbrays lost Gower to the Beauchamps for some time due to a legal decision and in 1461 it passed to the Herberts, the Somersets and then to the Dukes of Beaufort who held it until 1927 when it was transferred to Swansea Corporation. 

Book Tickets

Guide Prices

Ticket TypeTicket Tariff
Family (2 Adults / 2 Children)£15.00 per family
Standard£5.00 per adult

Note: Prices are a guide only and may change on a daily basis.



  • Children welcome


  • Parking with charge - Very limited parking in Castle Avenue. There is pay and display car parks along the seafront.

Map & Directions

Road Directions

Follow the A4067 into Mumbles and then turn right up Newton Road at the mini roundabout by the White Rose. The castle is halfway up Newton Road on the right hand side.

There is very limited parking in Castle Avenue, so the best option is to use the pay and display car parks along the sea front.

Accessible by Public Transport: Swansea station is 5 miles away.

Public Transport Directions

From Mumbles, the number 2 bus to Newton goes up Newton Road towards the castle - get off the bus at the stop by the Ostreme Centre and walk up Castle Avenue.


Oystermouth Castle


Oystermouth Castle, Castle Avenue, Mumbles, Swansea, Swansea, SA3 4BA

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Call direct on:

Tel01792 468321

Opening Times

* Open Tuesday to Sunday and Bank Holiday Mondays from April to September plus weekends in October. Closed during winter months.

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