what is the longest river in great britain

The longest river in Great Britain is the River Severn. It stretches for about 220 miles (354 kilometers).

Here's a breakdown of the two main contenders for the title:

River Severn: This river flows through Wales and England and empties into the Bristol Channel. At 220 miles, it holds the clear lead.

River Thames: The River Thames is famous for flowing through London. While it's an iconic river in England, it's shorter than the Severn at about 215 miles (346 kilometers).