Baron Hill is one of the 42 hills of the city of Valparaiso, Chile. It is located on the east end of the flat region of the city, next to Dairy Hill, and is a purely residential area. In 1795 the location was built up as a fort to protect the area of El Almendral and the northern part of the bay from pirate attacks. The name of the hill was given when the city council decided to pay tribute to governor Ambrosio O'Higgins who held the title of Baron of Ballenary, naming the fort as the Fort of Baron Ballenary and giving the name to the hill.