The depth is ever changing for River Thames. Opposite Southend, the depth is 11 meters; at Tributary the depth is about 9.8 meters; at Woolwich the depth is about 6.5 meters and at London Bridge the depth is 1.8 meters.
The River Thames flows for 215 miles. This river flows through six counties. The river begins in Gloucestershire, England. The North Sea is where it ends. You can find more information here: http://www.woodlands-junior.kent.sch.uk/... answers.ask.com
How deep is the River Thames? Measurements for the Thames are taken at London Bridge, high and low tides etc. It is even difficult to state the depth of water at high and low tides as the height of these ... At London Bridge the charted depth is uk.answers.yahoo.com