The Bontnewydd Palaeolithic site (also known in its unmutated form as Pontnewydd Welsh language: 'New bridge') is an archaeological site near St Asaph, Denbighshire, Wales which has yielded one of the earliest known remains of Neanderthals in Britain. It is located a few yards east of the River Elwy, near the hamlet of Bontnewydd, near Cefn Meiriadog, Denbighshire.