Much of the park comprises wild, rugged natural areas with hiking and equestrian trails, and this terrain separates the park into many areas or "pockets" of activities. Within the various areas are concessions, golf courses, picnic grounds, pony and train rides, and tennis courts. In 2014, two baseball fields were proposed on the east side of Griffith Park that would remove 44 trees and replace of picnic area, the largest picnic area in the park that is often used for large family gatherings, cultural fairs and festivals, reunions, and other special occasions. The plan may be altered to spare a sycamore that has been designated by the city as a "heritage tree", a living artifact of Los Angeles history.