The name Gereonsmill refers to the no longer existing Gereonsgate, one of 12 city gates existing at that time by which 8 were torn off together with the biggest part of the 600 year-old city wall in 1881.
The name Gereonsmill refers to the no longer existing Gereonsgate, one of 12 city gates existing at that time by which 8 were torn off together with the biggest part of the 600 year-old city wall in 1881.
