Swoboda Lock is the seventh lock on the Augustów Canal. It is situated amidst the Augustów Forest near Lake Studzieniczne. Built between 1826 and 1827 by Lt.-Col. Eng. Jan Paweł Lelewel. In the 1960s has undergone modernization involving the replacement of original wooden gates with metal crank-driven mechanism raised, reinforced concrete bridge was built a distinctive and concreting awanportu. New system to move the gates did not work and was later by one of the membranes removed, and replaced the original system of drawbars.
Location: 47.4 km channel
Wikipedia https://en.wikipedia.org/wiki/Swoboda_Lock
Coordinates 53°51'59.077" N 23°8'42.867" E