Brief SynthesisThe Whale Sanctuary of El Vizcaino is a serial property on the Pacific Coast of the central part of Mexico's Baja California Peninsula. Criterion (x): The Whale Sanctuary of El Vizcaino contains the most important breeding grounds of the Eastern subpopulation of the North Pacific Grey Whale. In 1988, the federal government declared El Vizcaino a biosphere reserve, encompassing today's property. El Vizcaino was recognized internationally under the UNESCO Man and the Biosphere Programme in 1993. The Whale Sanctuary of El Vizcaino has the potential to serve as an example of integrated management of natural resources.