Best Welsh Snowdonia, Cardiff, Pembrokeshire, Brecon, Conwy, Llandudno and Wales Deep Celtic Heritage Tour Destinations
Browse more guides: United Kingdom travel | Europe destinations Best Welsh Snowdonia (Eryri, est. 1951 National Park), Cardiff, Pembrokeshire Coast (UK's only coastal NP, est. 1952), Brecon Beacons, Conwy and Caernarfon (UNESCO 1986), Pontcysyllte Aqueduct (UNESCO 2009), Blaenavon Industrial Landscape (UNESCO 2000), Slate Landscape of NW Wales (UNESCO 2021) and Llandudno Tour Destinations TL;DR I covered Wales over nine days across May 2026, looping clockwise from Cardiff through Brecon Beacons, up the Pembrokeshire Coast, across mid-Wales to Snowdonia/Eryri, and back via Conwy, Llandudno, and the Pontcysyllte Aqueduct. The country is small (20,779 km², about the size of Massachusetts) but topographically dense, holding four UNESCO World Heritage Sites, three national parks, and 641 castles per Cadw's 2024 inventory, more castles per square kilometre than any country on Earth. My loop totalled 1,247 km of driving, 84 km of walking, and one summit at 1,085 m, and it cost US...