| Avignon's low walls still form a complete loop around the city. Despite their menacing crenellations, they were never a formidable defence, even when sections were girded by a now-vanished moat. Nevertheless with the gates and towers all restored, the old ramparts still give a sense of cohesion and unity to the old town, dramatically marking it off from the modern spread of the city. Rue de la République, the extension of cours Jean-Jaurès and the main axis of the old town, ends at place de l'Horloge, the city's main square. Beyond that is place du Palais, with the city's most imposing monument, the Palais des Papes, the Rocher des Doms park and the Porte du Rocher, overlooking the Rhône by the pont d'Avignon, or pont St-Bénézet as it's officially known.
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