The major regions of New Hampshire are the coastal lowland in the southeast; the New England Uplands, covering most of the south and west; and the White Mountains (part of the Appalachian chain) in the north, including Mt. Washington, at 6,288 ft (1,918 m), the highest peak in the northeastern US. With a mean elevation of about 1,000 ft (305 m), New Hampshire is generally hilly, rocky, and in many areas densely wooded.
There are some 1,300 lakes and ponds, of which the largest is Lake Winnipesaukee, covering 70 sq mi (181 sq km). The principal rivers are the Connecticut (forming the border with Vermont), Merrimack, Salmon Falls, Piscataqua, Saco, and Androscoggin. Near the coast are the nine rocky Isles of Shoals, three of which belong to New Hampshire.