The River Severn.
The River Cleddau that consists of the Eastern and Western Cleddau rivers in Pembrokeshire, west Wales. They unite to form the Daugleddau estuary, which forms the important harbour of Milford Haven.
The River Severn - but a small part of it is in Wales. The River Thames is the longest wholly within England.
The River Severn.
The River Severn (220 miles / 354km) in Wales, UK.
There are many river in Wales and it might be a matter of opinion which were the 'main' ones. However two rivers which begin in Wales and flow into England are, or were, of major importance. These are the River Severn in Mid/South Wales and the River Dee in North Wales. For more information about Welsh rivers see the related link below.
The longest river in Britain is the Severn closely followed by the Thames.
The River Severn is the longest waterway in Britain by about five miles. However, part of it is within Wales so the longest waterway wholly within England is the River Thames.
The longest river in the UK is the Severn, at 220 miles (354 km). It begins in Wales and runs all the way through to England. The River Thames is the longest river entirely within England.
Longest River wholly in England, River Thames 215 miles / 346 km longthe river sevan!But realy Ur the biggest river in England
The River Wye is a river in Wales and England. Its length is 134 miles. It is the fifth longest river in the United Kingdom.
The Murray River borders Victoria and New South Wales.