Legends tell stories about how the Britons or Celts of these Welsh kingdoms fought against the Saxon invaders. Most of these stories are built upon the Arthur-myth – with the legendary king and his Knights of the Round Table, his sword the Excalibur and his prophet wizard, Merlin.
In reality, Saxon kingdoms were at constant fight with the Britons and it resulted in Offa’s Dyke – an earthwork legendarily ordered to create by Mercia’s king Offa to mark a boundary between the Kingdom of Powys and of Mercia.
Offa’s Dyke today offers a great Nordic walking opportunity. Part of the Nation Trail, the path shows the beauty of the Welsh landscape in about 180 kilometres.