| Bangor, in North West Wales, is steeped in Celtic | | | | other defense due to steepness. The original |
| heritage. Explore the Iron Age, when the Celts | | | | entrance was formed by a simple gap in the |
| built settlements and forts throughout the region. | | | | southwest. The remains of stone huts and |
| The Celts discovered iron and spread its use | | | | housing platforms exist within the enclosure. |
| throughout what later became Britain. Bangor | | | | Bryn Y Castell was excavated in the late 1970s |
| offers a large number of Celtic sites to visit. | | | | to mid 1980s. Since the excavation, portions of |
| Bryn Euryn is a hill fort built on two summits. The | | | | the ramparts and some interior buildings have |
| summits naturally protect the hollow of a hilltop. | | | | been reconstructed. In its day, the fort would |
| The fort walls were built on the summits, with the | | | | have been crowded with interior buildings. |
| higher north summit being the fort's main | | | | Evidence has been found to suggest that iron |
| stronghold. Traces of ramparts on the east side | | | | smelting was active at Bryn Y Castell. It is |
| and stone marking buildings within the enclosure | | | | believed that the site was actively producing iron |
| can also be found at the site. | | | | late in the Iron Age. |
| Built on the summit of Holyhead Mountain, Caer y | | | | Din Lligwy is a complex of stone houses within a |
| Twr was naturally defended by its location. | | | | stone enclosure. Thought to be an Iron Age |
| However, the Celts still felt the need to build | | | | village, this complex is well-preserved. The house |
| defensive walls on the north and east sides. Some | | | | walls and the village enclosure used limestone slabs |
| of the ramparts still exist today reaching up to | | | | standing on their edges. The view is amazing, but |
| 3m in height. The rocky terrain of the area | | | | the site offers many impressive features. The |
| allowed for the entrance at the northeast corner | | | | remains of a large stone house can be found in |
| to be well defended. | | | | one corner. Within the house, pottery and |
| Castell Caer Lleion is another naturally defended | | | | glassware have been found. |
| hillfort due to its location. On the summit of | | | | The area offers many more Celtic sites to visit. |
| Conwy Mountain, the northern hillside required no | | | | |