Knockster Depth

The Knockster Tief is a partially natural, partially artificial body of water in the district of Aurich and the city of Emden in East Frisia. Smaller rivers and canals are often referred to as "Tief" in the region. It is named after the area of Knock, at the westernmost point of Emden and thus the southwesternmost point of the East Frisian peninsula. At the nearby sluice and pumping station Knock, there is a passage into the Ems. The Knockster Tief is the main drainage channel for large parts of southwestern East Frisia. Along with its tributaries, it drains entirely or mostly the municipalities of Emden, Hinte, Krummhörn, Südbrookmerland, and the Samtgemeinde Brookmerland, as well as the Leybuchtpolder district of the city of Norden and smaller parts of the city of Aurich and the municipality of Ihlow.

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