The source of the UK’s longest river

Walk length: 16km (out and back). For an upland that can make so many bold claims (highest point in Mid Wales, one of the greatest uninterrupted wildernesses in Wales and, as will shortly be elaborated upon, the source of Britain’s longest river, fifth-longest river and the longest two to flow across Welsh soil), Pumlumon is a very unfrequented place. We can vouch for that. When … Continue reading The source of the UK’s longest river