The Southwest Corridor Park is a 4.7 mile, 52-acre, linear park stretching from the Back Bay to Forest Hills. It links the neighborhoods of South End, Back Bay, Roxbury and Jamaica Plain with a street-level, green open space for parkland and recreation. Approximately a quarter of the parkland is decked over the railroad tracks, providing more space for grass and plantings, and such recreational facilities as 11 tot lot areas, 2 spray pools, 7 basketball courts, 5 tennis courts, 2 street hockey rinks, 2 amphitheaters, and approximately six miles of biking, jogging and walking paths.