The Soot Canal, constructed in 1849, has Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

's oldest sluice gates. It was the work of Engebret Soot

Engebret Soot

Engebret Soot is known as the father of the Halden Canal in Norway. He constructed locks and canals for the transport of both watercraft and timber.-Biography:...

 (1786-1859). It was built to allow timber to be transported (floated) to the Halden

Halden

is a both a town and a municipality in Østfold county, Norway. The seat of the municipality, Halden is a border town located at the Tista river delta on the Iddefjord, the southernmost border crossing between Norway and Sweden.-History:...

 sawmills. The canal was 1.5 km long and had 16 locks which extended from Lake Skjervangen

Skjervangen

Skjervangen is a lake in the municipality of Eidskog in Hedmark county, Norway....

at 185 m above sea level up to Lake Mortsjølungen at 201 m above sea level.