Swoboda Lock - the seventh lock on the Augustow Canal (from the Biebrza). It is situated amidst the Augustow Forest near Lake Studzienicznego. Built between 1826-1827 by Lt.-Col. Eng. John Paul Lelewel. In the '60s Twentieth century 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
• Level difference: 1.7 m
• Length: 45.77 m
• Width: 5.95 m
• Gates: metal
• Year of construction: 1826-1827
• Construction Manager: Lt.-Col. Eng. John Paul Lelewel

Reference