 The Portolá Trail Campsite is located in what is now the Elysian Park entrance, at the NW corner of North Broadway and Elysian Park Drive in the City of Los Angeles in Los Angeles County.The campsite is near the Los Angeles River, which they used as their water supply for the camp.Military officer Gaspar de Portolá was the commander of the expedition for the Spanish Empire with the goal of the Spanish colonization of the Americas.