- Source: Niamnova Lock
Niamnova Lock (Belarusian: Шлюз «Нямнова»), Niemnowo Lock (Polish: Śluza Niemnowo) - is the eighteenth lock on the Augustów Canal (from the Biebrza River), built between 1828 - 1830 by John Paul Lelewel. This is the third lock located on the territory of Belarus and also the last before the merger of the canalized Nieman River. Originally it was three-chamber lock, but during the reconstruction carried out in 2004 - 2006, the fourth compartment was added because of the changes that have occurred in between the river and its flow conditions. It is the largest lock the Augustów Canal.
Location: 101.2 km canal
Level difference: 9.80 m
Length of chamber: 43.5 m
Width: 5.90 m
Gates: Wooden
Year: 1828 - 1830, rebuilt 2004-2006
Construction Manager: John Paul Lelewel
References
"opracowanie nt kanału Augustowskiego znajdujące się na stronach Regionalnego Zarządu Gospodarki Wodnej w Warszawie" (PDF) (in Polish).
Batura, Irena. (1997). Po ziemi augustowskiej : przewodnik dla turysty i wczasowicza (in Polish). Suwałki: Wydawnictwo Hańcza. ISBN 83-904804-9-2.
"Kanał Augustowski" (in Polish). Archived from the original on 18 April 2010. Retrieved 4 January 2010.