Foxton Locks, set in the heart of rural South Leicestershire, are the largest flight of staircase locks on the English canal system. It was built in 1810 and enabled boats to "climb" 75 feets up the hill. Its also able to moves the boat down the hill. It was a masterpiece of 19th century engineering.
The locks are arranged in two "staircases" of five locks each and within each staircase, the top gates of one lock are the bottom gates of the next. Between each lock, there is a small reservoir off to the side. 
To move upwards, you begin by opening the red paddle, allowing water from the side reservoir to fill up the lower lock.
