The city's land area is estimated to be . However, a more recent estimate calculates a total land area of 304.8 square miles (789.4 square kilometres). The highest natural point in the city is Todt Hill on Staten Island, which at 409.8 ft (124.9 m) above sea level is the highest hill on the Eastern Seaboard south of Maine. The summit of the ridge is largely covered in woodlands as part of the Staten Island Greenbelt.