The 'cattle' castle of North Wales ... Dolwyddelan in south Conwy and Dolbadarn near the base of the Llanberis Pass under Yr Wyddfa (Snowdon), with construction commencing in 1221.
Historic castles ... which starts at the car park near the bottom of Pen y Pass. Note that the parking lot is small and requires pre-booking; visit Snowdonia National Park's website to reserve ...