The Leniwka (, German : Mühlengraben) is the former name of the western branch of the Vistula (now Vistula) in northern Poland. It is long, and flows into Gdaà Âsk Bay, forming the borders of Sobieszewo Island. The Leniwka begins behind the lock in Biaà Âa Góra, where the Nogat, the eastern branch, also originates. The current Martwa Wisà Âa is part of the Leniwka.
Towns and villages on the Leniwka include: