Zurich is located on Lake Zurich in the north-eastern part of Switzerland. There are two rivers flowing through the city – the Limmat and Sihl. On the western bank of the former one there is Fraumünster, i.e. an old abbey with its characteristic pointed tower and the clock. The abbey can be reached through the bridge called Münsterbrücke, opened to the public in 1838. It was designed by Alois Negrelli and consists of four flat spans. The bridge also has cast iron railings and old-fashioned lanterns. On the other side of the bridge there is the Grossmünster church.