In which direction did ships pass through the Panama Canal?

It's really cool! Basically, most of it is too narrow and shallow for a ship to go through, so it's got chambers all along it that end up making a sort of staircase. As the ship goes along, water...

According to the Panama Canal Authority, it takes from 8-10 hours for a port-to-port transit, depending on the size of the vessel

The first ship to pass through the Panama Canal was named the steamship SS Ancon.

Obviously.

Panama