Although La Quebrada does go around the cathedral and the Zócalo, that's not where all the onlookers are. A 10-minute walk towards the ocean takes you to the spot where the divers, the famous Clavadistas, leap into the void from cliffs as high as 35 metres. Awesome! They also have shows at night - making it an even greater feat.
12.45pm, then every hr 7.30pm-10.30pm