The meaning of the river's name is not clear. Possibly the earliest reference to the name is Guoy in Nennius' early … See more

The source of the Wye is in the Welsh mountains at Plynlimon. It flows through or past several towns and villages, including Rhayader, Builth Wells, Hay-on-Wye, Hereford (the only city on the River Wye), Ross-on-Wye… See more

The River Wye is protected by two Sites of Special Scientific Interest, one covering the Upper Wye (Gwy Uchaf) above Hay-on-Wye, and one covering the Lower Wye (Gwy Isaf) downstream to Chepstow. The criteria for i… See more

Pollution has severely affected the river; the Wye does not meet European and national standards on river health. This has been happening for some time; a Nutrient Management Board (NMB) was established in 2014 to … See more

The Romans constructed a bridge of wood and stone just upstream of present-day Chepstow, some remains of which were found in the river bed during an archaeological dig in 1911. The River Wye is tidal fro… See more

The Environment Agency is the navigation authority for the river. The normal tidal limit (NTL) of the river is Bigsweir and navigation below this point is under the control of the Gloucester Harbour Trustees as Competent Harbour Au… See more

The Wye's tributaries include the river Lugg, Elan, Dulas, Irfon, Marteg, Monnow, Trothy, Ithon, Llynfi, Letton Lake, Tarennig (the Wye's first tributary) and Bidno. A fuller list is available at the relevant section of the list of rivers of … See more