Explore details about location Gwaelodygarth Close. Gwaelodygarth Close is a location situated within the Merthyr Tydfil alongside other areas such as Cilhaul, Chepstow Close, Tai Mawr Road. Additionally, some smaller parts of Gwaelodygarth Close include specific areas like Walnut Way, Maple Close, Gurnos Road adding to the diversity of its landscape.