The Salto del Usero' is a natural space located in the municipality of Bullas, a region in the northwest of the Murcia region. It is located on the northwest slope of the Castellar hill through which the waters of the Mula River pass, in a place called El Molinar.^[1]u200b It is considered one of the most beautiful natural spaces in the Region of Murcia.

In this natural enclave, visited by thousands of tourists throughout the year, on the night of San Juan the traditional "Bajada de la Mora" is celebrated, bringing together hundreds of people who, at the edge of the media night they gather around the pool^[2]u200b that forms the great waterfall, heart of the area, ^[1]u200b with the objective of meeting the "Moorish queen" and being able to be blessed by its miraculous waters.