How deep is the channel tunnel? At its deepest, the tunnel is 75 metres (246 feet) below the sea level. That’s the same as 107 baguettes balancing on top of each other. The english channel is much deeper than the tunnel, with its deepest point measuring 175 meters (574 feet) below sea level.
How Deep Is Channel Tunnel?
The Channel Tunnel, popularly known as the “Chunnel”, is a 50.45 km (31.35 mile) long railway tunnel that connects the United Kingdom and France beneath the English Channel.
It is the longest undersea tunnel in the world and the second longest railway tunnel in the world after the Seikan Tunnel in Japan. The tunnel is a feat of modern engineering, and it has been in operation since 1994.
A major part of the Channel Tunnel is the Eurotunnel, which is a group of three tunnels that form the link between the UK and France.
The two main tunnels are 50.45 km (31.35 miles) long and run side–by–side between Folkestone, England and Coquelles, in France.
The third tunnel is a service tunnel that is used for emergency and maintenance purposes. So, just how deep is the Channel Tunnel? The deepest part of the tunnel is 75 meters (246 feet) below the seabed.
This is roughly the same depth as a 23–story building. The tunnel is constructed in a way that it is immune to the effects of water pressure. This is why the Eurotunnel is able to remain operational even during storms and heavy seas