If you mean the length from its source - it's 346 km (215 miles) long
The Thames Tunnel is 1,300 feet (396 meters) long.
The Thames' length is 346,010 meters.
6.9 meters high.
Hundreds, the Thames is a long river and flows through many towns and villages. There are 107 bridges from source to the Thames mouth
Thousands, for many years there was a ferry service across the Thames
None
The river Thames has many bridges crossing it - 25 in London alone.
20
None
94
None.
The River Thames flows through 8 counties.