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The areas are a remnant of the original forest that once covered 6 million acres (24,000 km 2) on the Allegheny Plateau of New York and Pennsylvania. The old growth forest consists of 300- to 400-year-old American beech, Eastern hemlock and some sugar maple.
The old-growth forest is from 122 acres (49 ha) to 150 acres (61 ha) in extent, but the scenic area is most famous for its 20 acres (8.1 ha) of tall white pine and Eastern hemlock. [9] Many of these trees have diameters of over 40 inches (102 cm) and heights of over 140 feet (43 m), [2] and most of the white pine are between 300 and 400 years old.
Ricketts Glen State Park is a Pennsylvania state park on 13,193 acres (5,280 ha) in Columbia, Luzerne, and Sullivan counties in Pennsylvania in the United States. Ricketts Glen is a National Natural Landmark known for its old-growth forest and 24 named waterfalls along Kitchen Creek, which flows down the Allegheny Front escarpment from the Allegheny Plateau to the Ridge-and-Valley Appalachians.
The Hammersley Wild Area contains mature second growth forest in the Allegheny Highlands forests ecoregion, with a few acres of scattered old growth trees, mostly hemlocks 3 to 4 feet (0.91 to 1.22 m) in diameter. The DCNR has called the forests in the wild area "some of the best examples of mature woodland in the Commonwealth". [1]
State forest County Area Date founded Remarks Alan Seeger Natural Area: Rothrock: Huntingdon: 390 acres (158 ha) 1921: Named after the poet who died during World War I. Includes old growth forest remnants. [3] [4] Algerine Swamp Natural Area: Tiadaghton: Lycoming, Tioga: 84 acres (34 ha) Includes a glacial bog. [5] [6] Anders Run Natural Area ...
An old-growth forest of hemlock and beech once stretched along northern Pennsylvania, but heavy logging between 1890 and 1930 left only pockets of that early forest in places like Hearts Content. Since the Forest Service began to manage the Allegheny National Forest in 1923, a different forest of hardwood trees like black cherry (that are more ...
This is a list of areas of existing old-growth forest which include at least 10 acres (4.0 hectares) of old growth. Ecoregion information from "Terrestrial Ecoregions of the World". [1] (NB: The terms "old growth" and "virgin" may have various definitions and meanings throughout the world. See old-growth forest for more information.)
Wykoff Run in Quehanna Wild Area, the largest such protected area in Pennsylvania. The Commonwealth of Pennsylvania in the United States includes 18 wild areas in its State Forest system. [1] They are managed by the Pennsylvania Bureau of Forestry, a division of the Pennsylvania Department of Conservation and Natural Resources.