Dolwyddelan Castle

Dolwyddelan Castle is a medieval fortress in a mountain pass in northern Wales, built from local siltstone and other materials suited to the region. One complete tower remains standing within a circular earthwork, while a second tower survives only as ruins, giving visitors a sense of the original structure's layout.

A Welsh prince named Llywelyn built this castle in the early 13th century to control and defend a key mountain pass in the region. The fortress remained an important power center before declining over time and eventually being preserved as a protected monument.

The castle takes its name from a local 13th-century figure, linking it deeply to the community that lived around it. Visitors can see how the fortress served as a symbol of Welsh independence and power in a mountain valley where such strongholds shaped daily life and cultural memory.

The site sits on a hilltop and is reached on foot, though the climb is steep and requires sturdy shoes. Summer months offer regular visiting times, but it is wise to check in advance whether the grounds are accessible on your planned visit day.

In the 1980s the ruins served as a filming location for a well-known fantasy production, adding a layer of modern pop culture to this medieval site. This unexpected connection brought the castle to the attention of visitors who might not have discovered this remote mountain relic otherwise.

Location: Dolwyddelan

Founders: Llywelyn ab Iorwerth

Elevation above the sea: 211.3 m

Made from material: siltstone

Website: https://cadw.gov.wales/visit/places-to-visit/dolwyddelan-castle

GPS coordinates: 53.05306,-3.90833

Latest update: December 7, 2025 20:25