The Koppelpoort is a medieval gate in the Dutch city of Amersfoort, province of Utrecht. Completed around 1425, it combines land and water-gates, and is part of the second city wall of Amersfoort, which was constructed between 1380 and 1450.[1]
- ^ "Koppelpoort" (in Dutch). Gilde Amersfoort. Archived from the original on 22 June 2015. Retrieved 2 June 2015.