Isca is derived from a Brythonic Celtic word for flowing water, which was given to the Exe as well as to the River Usk (Welsh: Afon Wysg) in South Wales, on which Caerleon (known to the Romans as Isca Augusta) stands.
This also applies to the similarly spelled rivers Axe, Exe and Usk with the changes to the name evolving over ten centuries of usage.
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Sitting transversely across the Usk valley between the river and the village of Bwlch, it provides excellent panoramic views down the valley and across to the Black Mountains.
His designs included local features, including the River Usk, the Sugar Loaf and nearby Llanvihangel Gobion church tower.
It gives excellent panoramic views over the valley of the River Usk, across to the Black Mountains and west to the Brecon Beacons.