Festival of the Virgin of Candelaria (August Pilgrimage)
Candelaria's biggest celebration honours the patron saint of the Canary Islands, drawing well over 100,000 pilgrims who walk through the night to the seafront basilica. The nights of 14-15 August bring a torch-lit pilgrimage, a Guanche reenactment of the Virgin's appearance, processions, folklore and Canarian wrestling on the plaza by the sea.
This is the Canary Islands turning out in force for their patron saint, and the scale takes some getting used to. From early August, pilgrims set off on foot from towns across Tenerife, walking through mountains and along roads towards the basilica on the seafront. The crowds build to well over 100,000 by the night of the 14th, many having walked through darkness to be there.
The moment to catch is the Guanche ceremony at dusk on 14 August, when locals reenact the island's indigenous people discovering the Virgin before the Spanish conquest. There are processions, an offering ceremony and the opening pregón, plus Canarian wrestling on the plaza and folk concerts that lean hard into the regional accent. It's free, it's deeply local, and it carries real weight for the people taking part.
Source: https://www.candelaria.es/fiestas-en-honor-a-la-virgen-de-candelaria-agosto/