Severn Bore
A curious phenomenon associated with the lower reaches of the Severn is the tidal bore, which forms somewhat upstream of the port of Sharpness.
It is frequently asserted that the river's estuary, which empties into the Bristol Channel, has the second largest tidal range in the world—14.5 metres (48 ft), exceeded only by the Bay of Fundy. However a tidal range greater than that of the Severn is recorded from the lesser known Ungava Bay in Canada. During the highest tides, the rising water is funnelled up the Severn estuary into a wave that travels rapidly upstream against the river current. The largest bores occur in spring, but smaller ones can be seen throughout the year. The bore is accompanied by a rapid rise in water level which continues for about one and a half hours after the bore has passed.
Read more about this topic: River Severn
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“Before the Roman came to Rye or out to Severn strode,
The rolling English drunkard made the rolling English road.”
—Gilbert Keith Chesterton (1874–1936)
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His leather skin and horns to wear.
Then sing him home.
Take thou no scorn to wear the horn,
It was a crest ere thou wast born;
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And thy father bore it.
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—William Shakespeare (1564–1616)