The Grand Canal in China is the longest. It is about 1800 km long.
The world's longest canal tunnel is the Rove Tunnel in France. The Stad Ship Tunnel in Norway is shorter, wider, and deeper.
It is the longest big-ship ( as opposed to sub-sized barges) canal of its type in the World. It is a sea-level canal and does not require locks. it had movable bridges for traffic control at one time- but these were not, strictly speaking, hydraulic locks.
indira gandhi canal
Ship Canal Bridge was created in 1961.
The Grand Canal is in China, the longest canal in the world at 1400 miles
mighty canal
The Small Intestine. It is split up into 3 parts.
B. Suez canal Tunnel
the burr truss canal
Rajasthan
panama canal ... most definitely not the panama canal which is less than 100 miles in length, Erie canal is somewhere around 360 miles, does not mean this is the longest, but it certainly is the longest that I am aware of St. Lawrence seaway is somewhere around 2500 miles long but is not just a canal, its a mixture of canal, lake, river, and others that im unsure of