The Promenade des Bastions runs from the old city down to Place Neuve (the main square of Geneva) and goes past the Mur des Reformateurs - check out the chess boards with giant-sized chess pieces for the public to use for Sunday afternoon games.
There are also numerous cheap cafés.
The Promenade des Bastions is a 30 min walk from Cornavin train station and 20 mins from St Peters Cathedral in the old city
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