Caernarfon Castle

Caernarfon Castle in Gwynedd, North Wales, is possibly the most famous and majestic of Wales's castles. Explore the history and heritage of Caernarfon Castle in Wales for yourself with the Great British Heritage Pass.

The majestic Caernarfon Castle is set apart from other Welsh castles by its pure size and grandeur. Building commenced in 1283 when Edward I wanted to create both a military stronghold over Wales and a grand royal palace, taking a creative lead from Constantinople of Rome.

Dominating the entrance to the Welsh Seiont river, Caernarfon Castle boasts unusual polygonal towers, impressive battlements and colour banded masonry. The town of Caernarfon sits at the foot of the castle with shops, restaurants, markets and hotels to welcome visitors to Britain.

Caernarfon Castle’s status was boosted when Edward made sure that his son, the first English Prince of Wales, was born here in 1284. In 1969, the castle earned international standing as the setting for the Investiture of Prince Charles as Prince of Wales.

Visitors to Caernarfon Castle will delight in its sheer power, enjoying the awe-inspiring wall walks, the twin-towered gatehouse and the captivating exhibitions located inside. Run by Cadw and deemed an official World Heritage site, Caernarfon Castle should be part of any sightseeing trip around Great Britain or Wales.

Planning your visit to Caernarfon Castle

Caernarfon Castle is open in April, May and October from 09.30 until 17.00; in June, July, August and September from 09.30 until 18.00; and in November, December, January, February and March from 09.30 until 16.00 (11.00 – 16.00 on Sundays).