State
|
Area
|
Old-growth extent
|
WWF ecoregion
|
Old-growth forest type
|
Alabama
|
Sipsey Wilderness
[15]
|
|
Appalachian mixed mesophytic forests
|
Eastern Hemlock,
American Beech,
Sweet Birch,
White Oak,
Tulip Poplar
[15]
|
Alaska
|
Tongass National Forest
[16]
|
5,400,000 acres (2,200,000 ha)
|
Northern Pacific coastal forests,
Pacific Coastal Mountain icefields and tundra
|
Western Red Cedar,
Sitka Spruce,
Western Hemlock
|
Arkansas
|
White River National Wildlife Refuge
[15]
|
973 acres (394 ha)
[15]
|
Mississippi lowland forests
|
American Sweetgum,
Nuttall's Oak,
Willow Oak,
Sugarberry,
American Elm,
Green Ash,
American Sycamore,
Pecan,
American Elm,
Baldcypress
[15]
|
Arkansas
|
Ouachita National Forest
[15]
|
800,000 acres (320,000 ha)
[15]
|
|
Post Oak,
Shortleaf Pine,
Hickory,
Northern Red Oak,
White Oak,
Blackjack Oak,
Eastern Redcedar,
Gum Bumelia,
Winged Elm,
Yaupon
[15]
|
Arkansas
|
Ozark-St. Francis National Forest
[17]
|
11,000 acres (4,500 ha)
[17]
|
|
Shortleaf Pine,
Post Oak,
Blackjack Oak,
Eastern Black Oak,
White Oak,
Northern Red Oak
[17]
|
Arkansas
|
Hot Springs National Park
[15]
|
320 acres (130 ha)
[15]
|
|
Shortleaf Pine,
Blackjack Oak,
White Oak
[15]
|
Arkansas
|
Overflow National Wildlife Refuge
[15]
|
230 acres (93 ha)
[15]
|
|
American Beech,
Sugar Maple
[15]
|
California
|
Yosemite National Park
[18]
|
225,510 acres (91,260 ha)
[18]
|
Sierra Nevada forests
|
Giant Sequoia,
Ponderosa Pine,
Jeffrey Pine,
Sugar Pine,
White Fir,
California Incense Cedar,
Coast Douglas-fir,
Red Fir,
Western White Pine,
Lodgepole Pine,
Foxtail Pine
|
California
|
Sequoia-
Kings Canyon National Park
[18]
|
202,430 acres (81,920 ha)
[18]
|
Sierra Nevada forests
|
Giant Sequoia,
Ponderosa Pine,
Jeffrey Pine,
Sugar Pine,
White Fir,
Red Fir,
California Incense Cedar
|
California
|
Lassen Volcanic National Park
[18]
|
27,130 acres (10,980 ha)
|
Sierra Nevada forests
|
Ponderosa Pine,
Jeffrey Pine,
Sugar Pine,
White Fir,
Red Fir,
Western White Pine,
Mountain Hemlock,
Lodgepole Pine,
Whitebark Pine
|
California
|
Redwood National and State Parks
[19]
|
38,982 acres (15,775 ha) or more
[19]
|
Northern California coastal forests
|
Coast Redwood
|
California
|
Humboldt Redwoods State Park
[18]
|
23,600 acres (9,600 ha)
[18]
|
Northern California coastal forests
|
Coast Redwood
|
California
|
Muir Woods National Monument
[18]
|
240 acres (97 ha)
[18]
|
California interior chaparral and woodlands
|
Coast Redwood
|
California
|
Samuel P. Taylor State Park
[18]
|
600 acres (240 ha)
|
California interior chaparral and woodlands
|
Coast Redwood
|
California
|
Big Basin Redwoods State Park
[18]
|
10,800 acres (4,400 ha)
[18]
|
Northern California coastal forests
|
Coast Redwood
|
California
|
Henry Cowell Redwoods State Park
[18]
|
200 acres (81 ha)
[18]
|
Northern California coastal forests
|
Coast Redwood,
Coast Douglas-fir,
Pacific Madrone,
Ponderosa Pine
|
California
|
Headwaters Forest Reserve
[20]
|
3,088 acres (1,250 ha)
[20]
|
Northern California coastal forests
|
Coast Redwood
|
California
|
Blue oak woodlands
[21]
|
500,000–2,300,000 acres (200,000–930,000 ha)
[21]
|
California interior chaparral and woodlands
|
Blue Oak
|
California
|
Angeles National Forest
[22]
|
29,000 acres (12,000 ha)
[22]
|
California montane chaparral and woodlands
|
Jeffrey Pine,
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Lodgepole Pine
[22]
|
California
|
Eldorado National Forest
[22]
|
122,000 acres (49,000 ha)
[22]
|
Sierra Nevada forests
|
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Lodgepole Pine,
Red Fir
[22]
|
California
|
Inyo National Forest
[22]
|
238,000 acres (96,000 ha)
[22]
|
Sierra Nevada forests –
Great Basin montane forests
|
Lodgepole Pine,
Jeffrey Pine,
Great Basin Bristlecone Pine
[22]
|
California
|
Klamath National Forest
[22]
|
168,000 acres (68,000 ha)
[22]
|
Klamath-Siskiyou forests
|
Ponderosa Pine,
Jeffrey Pine,
Coast Douglas-fir,
Red Fir,
White Fir,
California Incense Cedar
[22]
|
California
|
Lassen National Forest
[22]
|
92,000 acres (37,000 ha)
[22]
|
|
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Jeffrey Pine,
Red Fir,
Lodgepole Pine
[22]
|
California
|
Los Padres National Forest
[22]
|
18,900 acres (7,600 ha)
[22]
|
|
Jeffrey Pine,
Coast Redwood,
Coast Douglas-fir,
White Fir
[22]
|
California
|
Mendocino National Forest
[22]
|
60,000 acres (24,000 ha)
[22]
|
|
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Tanoak,
Pacific madrone
[22]
|
California
|
Modoc National Forest
[22]
|
43,400 acres (17,600 ha)
[22]
|
|
Lodgepole Pine,
Ponderosa Pine,
White Fir,
California Incense Cedar,
Red Fir
[22]
|
California
|
Pfeiffer Big Sur State Park
[23]
|
1,006 acres (407 ha)
[24][
circular reference]
|
|
Redwood
[23]
|
California
|
Plumas National Forest
[22]
|
127,000 acres (51,000 ha)
[22]
|
|
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Jeffrey Pine,
Red Fir
[22]
|
California
|
San Bernardino National Forest
[22]
|
87,400 acres (35,400 ha)
[22]
|
|
Bigcone Douglas-fir,
Ponderosa Pine,
White Fir,
Jeffrey Pine,
Lodgepole Pine
[22]
|
California
|
Sequoia National Forest
[22]
|
196,000 acres (79,000 ha)
[22]
|
|
Giant Sequoia,
Jeffrey Pine,
Red Fir,
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Lodgepole Pine
[22]
|
California
|
Shasta-Trinity National Forest
[22]
|
230,000 acres (93,000 ha)
[22]
|
|
Coast Douglas-fir,
Tanoak,
Pacific madrone,
Red Fir,
White Fir,
Jeffrey Pine
[22]
|
California
|
Sierra National Forest
[22]
|
383,000 acres (155,000 ha)
[22]
|
|
Lodgepole Pine,
Red Fir
[22]
|
California
|
Six Rivers National Forest
[22]
|
137,000 acres (55,000 ha)
[22]
|
|
Coast Douglas-fir,
Tanoak,
Pacific madrone,
White Fir
[22]
|
California
|
Stanislaus National Forest
[22]
|
139,000 acres (56,000 ha)
[22]
|
|
Lodgepole Pine,
Jeffrey Pine,
White Fir
[22]
|
California
|
Tahoe National Forest
[22]
|
84,000 acres (34,000 ha)
[22]
|
|
Coast Douglas-fir,
Ponderosa Pine,
White Fir,
Sugar Pine,
California Incense Cedar,
California Black Oak,
Lodgepole Pine,
Red Fir
[22]
|
Colorado
|
Arapaho National Forest
[25]
|
2,590 hectares (6,400 acres)
[25]
|
|
Subalpine Fir,
Engelmann Spruce
[25]
|
Connecticut
|
Cathedral Pines, Cornwall
[15]
|
42 acres (17 ha)
[15]
|
|
White Pine,
Hemlock
[15]
|
Connecticut
|
Sages Ravine, Salisbury
[15]
|
100 acres (40 ha)
[15]
|
|
Hemlock,
Oak
[15]
|
Connecticut
|
Great Mountain Forest, Norfolk—North Forty Tract
[15]
|
40 acres (16 ha)
[15]
|
|
Hemlock,
Hardwoods, White Pine
[15]
|
Connecticut
|
Great Mountain Forest, Norfolk—Bigelow Pond Site
[15]
|
5 acres (2.0 ha)
[15]
|
|
Hemlock
[15]
|
Connecticut
|
Mount Riga Incorporated, Salisbury
[15]
|
8 acres (3.2 ha)
[15]
|
|
White Pine,
Eastern Hemlock,
Yellow Birch,
American Beech
[15]
|
Connecticut
|
Bear Mountain, Salisbury
[15]
|
5 acres (2.0 ha)
[15]
|
|
Sweet Birch,
Pitch Pine
[15]
|
Connecticut
|
Belden Forest, Simsbury
[26]
|
40 acres (16 ha)
[26]
|
|
Eastern White Pine
[27]
|
Florida
|
Eglin Air Force Base
[15]
|
6,795 acres (2,750 ha)
[15]
|
|
longleaf pine
[15]
|
Florida
|
Apalachicola National Forest
[15]
|
|
Southeastern conifer forests
|
Pondcypress,
Slash Pine
[15]
|
Florida
|
Big Cypress National Preserve
[15]
|
23,000 acres (9,300 ha)
[15]
|
South Florida rocklands,
Everglades
|
slash pine
[15]
|
Florida
|
Big Cypress National Preserve
[15]
|
158,000 acres (64,000 ha)
[15]
|
South Florida rocklands,
Everglades
|
pondcypress
[15]
|
Florida
|
Tosohatchee Wildlife Management Area
[15]
|
1,000 acres (400 ha)
|
|
Floodplain swamp
|
Florida
|
Tosohatchee Wildlife Management Area
[15]
|
40 acres (16 ha)
|
|
Mesic flatwoods
|
Florida
|
Tosohatchee Wildlife Management Area
[15]
|
Unknown, up to 1000 acres
|
|
Hydric hammock
|
Georgia
|
Chattahoochee National Forest
[28]
|
346 acres (140 ha)
[28]
|
Appalachian-Blue Ridge forests
|
River floodplain hardwood, Dry-mesic oak forest, Seasonally wet oak-hardwood woodland
[28]
|
Georgia
|
Fernbank Forest
|
65 acres (26 ha)
|
Piedmont Hardwood Forest
|
Tulip Poplar –
Oak –
Hickory[
citation needed]
|
Georgia
|
Big Trees Forest Preserve
|
30 acres (12 ha)
|
Piedmont Hardwood Forest
|
oak-hickory-pine forest
[29][
full citation needed]
|
Illinois
|
Shawnee National Forest
[15]
|
2,800 acres (1,100 ha)
[15]
|
|
post oak –
blackjack oak
[15]
|
Illinois
|
Cache River State Natural Area
[15]
|
1,600 acres (650 ha)
[15]
|
Central U.S. hardwood forests
|
|
Illinois
|
Cypress Creek National Wildlife Refuge
[15]
|
500 acres (200 ha)
[15]
|
Central U.S. hardwood forests
|
|
Illinois
|
Beall Woods State Park
[15]
|
329 acres (133 ha)
[15]
|
Central U.S. hardwood forests
|
|
Indiana
|
Hoosier National Forest
[15]
|
390 acres (160 ha)
[15]
|
Central U.S. hardwood forests
|
Post Oak
[15]
|
Indiana
|
Douglas Woods
[30]
|
400 acres (160 ha)
[30]
|
Southern Great Lakes forests
|
Silver Maple,
Oak,
Hickory
[30]
|
Indiana
|
Wesselman Woods
|
200 acres (81 ha)
|
Central U.S. hardwood forests
|
Sugar Maple, Tulip Tree, Oak
|
Indiana
|
Pioneer Mothers Memorial Forest
[31]
|
88 acres (36 ha)
[31]
|
Central U.S. hardwood forests
|
Oak
|
Indiana
|
Ginn Woods
[32]
|
161 acres (65 ha)
[32]
|
Southern Great Lakes forests
|
|
Indiana
|
Meltzer Woods
[33]
|
48 acres (19 ha)
[32]
|
Southern Great Lakes forests
|
Bur oak,
Black ash,
Swamp white oak,
Beech,
Maples
|
Indiana
|
Bicentennial Woods
[34]
|
79 acres (32 ha)
[34]
|
Southern Great Lakes forests
|
Oaks,
Maples,
Sycamores,
Sassafras,
Slippery elm and
Flowering dogwood
|
Kansas
|
Fort Leavenworth
[15]
|
1,000 acres (400 ha)
[15]
|
Central forest-grasslands transition
|
Eastern floodplain
[15]
|
Kentucky
|
Blanton Forest
[15]
|
2,239 acres (906 ha)
[15]
|
|
|
Kentucky
|
Lilley Cornett Woods
[15]
|
252 acres (102 ha)
[15]
|
|
|
Maine
|
Baxter State Park
[15]
|
23,094 acres (9,346 ha)
[15]
|
|
Balsam Fir
[15]
|
Maine
|
Mahoosuc Mountains Ecological Reserve
[15]
|
2,444 acres (989 ha)
[15]
|
|
Balsam Fir
[15]
|
Maine
|
Bigelow Mountain Ecological Reserve
[15]
|
3,100 acres (1,300 ha)
[15]
|
|
Balsam Fir
[15]
|
Maine
|
Big Reed Forest Preserve
[15]
|
5,000 acres (2,000 ha) or less
|
|
northern hardwoods, spruce-fir, rich woods, and cedar swamps
|
Maryland
|
Belt Woods
[15]
|
43 acres (17 ha)
[15]
|
|
white oak –
tulip poplar
[15]
|
Maryland
|
Swallow Falls State Park ("Hemlock Grove")
[35]
|
39 acres (16 ha)
[35]
|
Appalachian mixed mesophytic forests
|
eastern hemlock –
white pine
[35]
|
Maryland
|
Potomac-Garrett State Forest ("
Crabtree Woods")
[36]
|
500 acres (200 ha)
[36]
|
Appalachian mixed mesophytic forests
|
sugar maple –
red oak –
basswood –
cucumber tree
[36]
|
Massachusetts
|
Mohawk Trail State Forest
[15]
|
612 acres (248 ha)
[15]
|
New England-Acadian forests
|
northern hardwood
[15]
|
Massachusetts
|
Ice Glen
|
|
New England-Acadian forests
|
northern hardwood
[37]
|
Massachusetts
|
Monroe State Forest
[15]
|
273 acres (110 ha)
[15]
|
New England-Acadian forests
|
northern hardwood
[15]
|
Massachusetts
|
Mount Everett State Reservation
[15]
|
530 acres (210 ha)
[15]
|
New England-Acadian forests
|
northern hardwood
[15]
|
Massachusetts
|
Mount Greylock
[15]
|
555 acres (225 ha)
[15]
|
New England-Acadian forests
|
northern hardwood
[15]
|
Massachusetts
|
Mount Wachusett
[15]
|
220 acres (89 ha)
[15]
|
New England-Acadian forests
|
northern hardwood
[15]
|
Massachusetts
|
Mount Washington State Forest
[15]
|
300 acres (120 ha)
[15]
|
New England-Acadian forests
|
northern hardwood
[15]
|
Massachusetts
|
William Cullen Bryant Homestead
[38]
[39]
|
109 acres (44 ha)
|
New England-Acadian forests
|
Eastern White Pine,
Black Cherry,
Sugar Maple
|
Michigan
|
Hartwick Pines State Park
[15]
|
49 acres (20 ha)
[40]
|
Western Great Lakes forests
|
Eastern White Pine,
Red Pine,
Eastern Hemlock,
Beech,
Sugar Maple
[15]
|
Michigan
|
Porcupine Mountains
[15]
|
31,000 acres (13,000 ha)
[15]
|
Western Great Lakes forests
|
northern hardwood
[15]
|
Michigan
|
Sylvania Wilderness
[15]
|
15,000 acres (6,100 ha)
[15]
|
Western Great Lakes forests
|
northern hardwood
[15]
|
Michigan
|
Warren Woods
|
200 acres (81 ha)
|
Southern Great Lakes forests
|
Beech-Maple forest
|
Minnesota
|
Boundary Waters
[15]
|
401,000 acres (162,000 ha)
[15]
|
Western Great Lakes forests
|
white pine, red pine, fir/birch,
jack pine –
black spruce, maple, aspen
[15]
|
Minnesota
|
Keeley Creek Natural Area
[15]
|
900 acres (360 ha)
[15]
|
Western Great Lakes forests
|
bog and upland
[15]
|
Minnesota
|
Itasca State Park
[15]
|
4,094 acres (1,657 ha)
[15]
|
Western Great Lakes forests
|
Eastern White Pine,
Red Pine
[15]
|
Missouri
|
Mark Twain National Forest
[15]
|
30,000 acres (12,000 ha) or less
[15]
|
Central U.S. hardwood forests
|
Post Oak and
Chinkapin Oak savanna and flatwoods
[15]
|
Missouri
|
Caney Mountain
[15]
|
4,000 acres (1,600 ha) or more
[15]
|
Central U.S. hardwood forests
|
post oak savanna
[15]
|
New Hampshire
|
Great Gulf
[15]
|
|
|
New England-Acadian forests
|
New Hampshire
|
Crawford Notch
[15]
|
|
|
New England-Acadian forests
|
New Hampshire
|
The Bowl Research Natural Area
[41]
|
510 acres (210 ha)
|
New England-Acadian forests
|
Red Spruce,
Balsam fir,
Beech,
Yellow birch,
Sugar maple,
Paper birch
|
New Hampshire
|
Hemenway State Forest
[42]
|
135 acres (55 ha)
[42]
|
New England-Acadian forests
|
Eastern White Pine
[42]
|
New Hampshire
|
The Bowl Research Natural Area
[41]
|
510 acres (210 ha)
|
New England-Acadian forests
|
Red Spruce,
Balsam fir,
Beech,
Yellow birch,
Sugar maple,
Paper birch
|
New Jersey
|
Saddler's Woods
[15]
|
25 acres (10 ha)
[15]
|
Northeastern coastal forests
|
Eastern Black Oak,
White Oak,
Northern Red Oak,
American Beech,
Tulip Poplar,
Red Maple
[15]
|
New Jersey
|
Bear Swamp
[15]
|
215 acres (87 ha)
[15]
|
Atlantic coastal pine barrens
|
Black Gum,
American Sweetgum,
Red Maple,
Sweetbay Magnolia,
American Beech,
Swamp White Oak,
American Holly
[15]
|
New Jersey
|
William L. Hutcheson Memorial Forest
[15]
|
65 acres (26 ha)
[15]
|
Northeastern coastal forests
|
White Oak,
Eastern Black Oak,
Northern Red Oak
[15]
|
New Jersey
|
Tillman Ravine
[15]
|
25 acres (10 ha)
[15]
|
Allegheny Highlands forests
|
Eastern Hemlock
[15]
|
New York
|
Catskill Mountains
[15]
|
60,000 acres (24,000 ha) or more
[15]
|
Allegheny Highlands forests
|
|
New York
|
Adirondack Mountains
[15]
|
150,000 acres (61,000 ha) or more
[15]
|
Eastern forest-boreal transition
|
|
New York
|
Thain Family Forest
[15]
|
50 acres (20 ha) or more
[15]
|
Northern hardwood forest
|
|
New York
|
Mianus River Gorge Preserve
[43]
[44]
|
60 - 100 acres (24 - 40.5 ha)
[45]
[43]
|
Appalachian hemlock–northern hardwood forest
|
Eastern hemlock-beech forest
|
North Carolina
|
Great Smoky Mountains
[15]
|
187,000 acres (76,000 ha)
[15]
|
Appalachian-Blue Ridge forests
|
|
North Carolina
|
Nantahala National Forest
[15]
|
30,800 acres (12,500 ha)
[15]
|
Appalachian-Blue Ridge forests
|
|
North Carolina
|
Pisgah National Forest
[15]
|
46,600 acres (18,900 ha)
[15]
|
Appalachian-Blue Ridge forests
|
|
North Carolina
|
Croatan National Forest
[15]
|
10,000 acres (4,000 ha)
[15]
|
Middle Atlantic coastal forests
|
pocosin
|
Ohio
|
Goll Woods State Nature Preserve
[15]
|
140 acres (57 ha)
[15]
|
Southern Great Lakes forests
|
|
Ohio
|
Fowler Woods State Nature Preserve
[15]
|
50 acres (20 ha)
[15]
|
Southern Great Lakes forests
|
|
Ohio
|
Crall Woods National Natural Landmark
[15]
|
40 acres (16 ha)
[15]
|
Southern Great Lakes forests
|
|
Ohio
|
Dysart Woods
[15]
|
57 acres (23 ha)
[15]
|
Appalachian mixed mesophytic forests
|
|
Ohio
|
Hawk Woods in
Riddle State Nature Preserve
|
106 acres (43 ha)
|
Appalachian mixed mesophytic forests[
citation needed]
|
|
Ohio
|
Morgan Sisters Woods in
Wayne National Forest
[15]
|
200 acres (81 ha)
[15]
|
Appalachian mixed mesophytic forests
|
|
Ohio
|
California Woods Nature Preserve
[15]
|
40 acres (16 ha)
[15]
|
Southern Great Lakes forests,
Central U.S. hardwood forests
|
|
Ohio
|
Caldwell Park (Cincinnati)
[15]
|
122 acres (49 ha) or less
[15]
|
Southern Great Lakes forests,
Central U.S. hardwood forests
|
|
Ohio
|
Hueston Woods State Nature Preserve
[15]
|
165–200 acres (67–81 ha)
[15]
|
Southern Great Lakes forests
|
|
Ohio
|
Davey Woods State Nature Preserve
[15]
|
15–40 acres (6.1–16.2 ha)
[15]
|
Southern Great Lakes forests
|
|
Ohio
|
Gross (Samuel) Memorial Woods State Nature Preserve
[15]
|
49 acres (20 ha)
[15]
|
Southern Great Lakes forests
|
|
Ohio
|
Johnson Woods State Nature Preserve
[15]
|
206 acres (83 ha)
[15]
|
Southern Great Lakes forests
|
|
Oklahoma
|
Keystone Ancient Forest Preserve
[15]
|
1,300 acres (530 ha)
[15]
|
Central forest-grasslands transition zone
|
Post Oak,
Blackjack Oak,
Eastern Redcedar
[15]
|
Oregon
|
Crater Lake National Park
[18]
|
50,000 acres (20,000 ha)
[18]
|
|
|
Oregon
|
Deschutes National Forest
[18]
|
348,100 acres (140,900 ha)
[18]
|
|
|
Oregon
|
Malheur National Forest
[18]
|
312,000 acres (126,000 ha)
[18]
|
|
|
Oregon
|
Mount Hood National Forest
[18]
|
345,300 acres (139,700 ha)
[18]
|
|
Coast Douglas-fir,
Western Hemlock,
Western Red Cedar
|
Oregon
|
Ochoco National Forest
[18]
|
95,000 acres (38,000 ha)
[18]
|
|
|
Oregon
|
Rogue River-Siskiyou National Forest
[18]
|
345,300 acres (139,700 ha)
[18]
|
Klamath-Siskiyou forests
|
Coast Douglas-fir,
Port Orford Cedar,
Ponderosa Pine,
Sugar Pine,
Coast Douglas-fir,
California Incense Cedar,
White Fir,
Red Fir,
Mountain Hemlock
|
Oregon
|
Siuslaw National Forest
[18]
|
33,800 acres (13,700 ha) (1993 estimate)
[18]
|
Central Pacific coastal forests
|
|
Oregon
|
Umatilla National Forest
[18]
|
190,741 acres (77,190 ha) (1993 estimate)
[18]
|
|
|
Oregon
|
Umpqua National Forest
[18]
|
535,300 acres (216,600 ha) (1993 estimate)
[18]
|
|
Mountain Hemlock,
Ponderosa Pine
|
Oregon
|
Wallowa-Whitman National Forest
[18]
|
173,000 acres (70,000 ha) (1993 estimate)
[18]
|
|
|
Oregon
|
Willamette National Forest
[18]
|
594,800 acres (240,700 ha)
[18]
|
|
Coast Douglas-fir,
Western Hemlock,
Western Red Cedar,
Bigleaf Maple
|
Oregon
|
Winema National Forest
[18]
|
711,674 acres (288,004 ha)
[18]
|
|
|
Oregon
|
Fremont National Forest
[18]
|
549,800 acres (222,500 ha)
[18]
|
|
|
Oregon
|
Emigrant Springs State Heritage Area
|
|
Blue Mountains forests
|
|
Pennsylvania
|
Cook Forest State Park
[15]
|
1,500–2,000 acres (610–810 ha)
[15]
|
Allegheny Highlands forests
|
Eastern White Pine,
Eastern Hemlock,
Northern Red Oak,
White Oak,
Black Cherry,
Red Maple,
Sugar Maple,
American Beech,
White Ash,
Yellow Birch,
Black Birch,
Cucumber Magnolia
[15]
|
Pennsylvania
|
Alan Seeger Natural Area
[46]
|
390 acres (160 ha)
|
Appalachian-Blue Ridge forests
|
Eastern White Pine,
Eastern Hemlock
|
Pennsylvania
|
Bear Meadows Natural Area
[15]
|
320 acres (130 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Black Spruce,
Balsam Fir
bog
[15]
|
Pennsylvania
|
Detweiler Run Natural Area
[15]
|
185 acres (75 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Eastern White Pine,
Eastern Hemlock
[15]
|
Pennsylvania
|
Thickhead Mountain Wild Area
[15]
|
50 acres (20 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Chestnut Oak
[15]
|
Pennsylvania
|
Woodbourne Forest and Wildlife Preserve
[15]
|
120 acres (49 ha)
[15]
|
Allegheny Highlands forests
|
Eastern Hemlock,
Sweet Birch,
Sugar Maple,
Northern Red Oak,
White Ash,
American Beech
[15]
|
Pennsylvania
|
Holtwood Environmental Preserve
[15]
|
200 acres (81 ha)
[15]
|
Northeastern coastal forests
|
Chestnut Oak,
Eastern Hemlock,
Umbrella Magnolia
[15]
|
Pennsylvania
|
Anders Run Natural Area
[15]
|
50 acres (20 ha)
[15]
|
Allegheny Highlands forests
|
Eastern White Pine,
Eastern Hemlock,
Cucumber Magnolia,
American Beech,
American Hornbeam,
Black Cherry,
oak
[15]
|
Pennsylvania
|
Sweet Root Natural Area
[15]
|
64 acres (26 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Eastern Hemlock,
Sweet Birch,
Eastern White Pine,
American Basswood,
White Oak,
Red Oak
[15]
|
Pennsylvania
|
Hearts Content Recreation Area
[15]
|
122 acres (49 ha)
[15]
|
Allegheny Highlands forests
|
Eastern White Pine,
Eastern Hemlock,
American Beech
[15]
|
Pennsylvania
|
Tionesta Scenic and Research Natural Areas
[15]
|
4,000 acres (1,600 ha)
[15]
|
Allegheny Highlands forests
|
Eastern Hemlock,
American Beech,
Sugar Maple
[15]
|
Pennsylvania
|
Allegheny Islands Wilderness
[15]
|
156 acres (63 ha)
[15]
|
Allegheny Highlands forests
|
Silver Maple,
Sugar Maple,
American Sycamore,
Slippery Elm
[15]
|
Pennsylvania
|
Bark Cabin Natural Area
[15]
|
73 acres (30 ha)
[15]
|
Allegheny Highlands forests
|
Eastern Hemlock,
Northern Red Oak,
White Ash,
Bigtooth Aspen,
Hickories
[15]
|
Pennsylvania
|
Johnson Run Natural Area
[15]
|
26–50 acres (11–20 ha)
[15]
|
Allegheny Highlands forests
|
Eastern Hemlock,
Eastern White Pine
[15]
|
Pennsylvania
|
Forrest H. Duttlinger Natural Area
[15]
|
158 acres (64 ha)
[15]
|
Allegheny Highlands forests
|
Eastern Hemlock,
American Beech,
Black Cherry,
Sugar Maple
[15]
|
Pennsylvania
|
Pinchot State Forest, Montage Mountain
[15]
|
1,200 acres (490 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Eastern Hemlock,
American Beech,
Black Cherry,
Yellow Birch,
Red Oak,
White Oak,
Chestnut Oak,
Ash,
Tulip Poplar,
Red Maple
[15]
|
Pennsylvania
|
Snyder Middleswarth Natural Area
[15]
|
250 acres (100 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Eastern Hemlock,
Eastern White Pine,
Pitch Pine
[15]
|
Pennsylvania
|
Hemlocks Natural Area
[15]
|
120 acres (49 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Eastern Hemlock
[15]
|
Pennsylvania
|
Ricketts Glen State Park
[15]
|
2,000 acres (810 ha)
[15]
|
Allegheny Highlands forests
|
Northern Hardwood Forest
[15]
|
Pennsylvania
|
Peck Natural Area in Lake Winola
[15]
|
10–20 acres (4.0–8.1 ha)
[15]
|
Allegheny Highlands forests
|
Northern Hardwood Forest,
Eastern White Pine,
American Beech
[15]
|
Rhode Island
|
Great Swamp Wildlife Management Area
[15]
|
3,000 acres (1,200 ha)
[15]
|
Northeastern coastal forests
|
Red Maple,
Atlantic White Cedar,
Black Gum
[15]
|
Rhode Island
|
Lawton's Valley Forest
[47]
|
|
Northeastern coastal forests
|
Sugar Maple,
White Ash,
American Beech,
Yellow Birch,
Northern Red Oak
[47]
|
Rhode Island
|
Oakland Forest
[15]
|
20 acres (8.1 ha)
[15]
|
Northeastern coastal forests
|
American Beech,
White Oak,
Red Maple,
Scarlet Oak
[15]
|
Rhode Island
|
Pawcatuck River floodplain forest
[15]
|
250 acres (100 ha)
[15]
|
Northeastern coastal forests
|
Red Maple floodplain
[15]
|
South Carolina
|
Congaree National Park
[15]
|
11,000 acres (4,500 ha)
[15]
|
Middle Atlantic coastal forests
|
bottomland hardwood forest
[15]
|
South Carolina
|
Francis Beidler Forest
[15]
|
1,700 acres (690 ha)
[15]
|
Middle Atlantic coastal forests
|
mixed hardwoods and cypress-tupelo swamp
[15]
|
South Carolina
|
Ellicott Rock Wilderness
[15]
|
1,000 acres (400 ha) or more
[15]
|
Appalachian-Blue Ridge forests
|
|
Tennessee
|
Great Smoky Mountains
[15]
|
187,000 acres (76,000 ha)
[15]
|
Appalachian-Blue Ridge forests
|
|
Tennessee
|
Forest within
Nashville
[48]
|
225 acres (91 ha)
[48]
|
Central U.S. hardwood forests
|
Black Walnut,
White Oak,
American Sycamore,
Persimmon,
Pawpaw
|
Tennessee
|
Old Forest Arboretum of Overton Park
|
172 acres (70 ha)
|
[
citation needed]
|
|
Utah
|
Red Canyon-
Dixie National Forest
[49]
|
255 acres (103 ha)
|
Wasatch and Uinta montane forest
|
Ponderosa Pine,
Douglas Fir,
Pinyon-juniper woodland
|
Virginia
|
George Washington and Jefferson National Forests
[15]
|
230,000 acres (93,000 ha)
[15]
|
Appalachian-Blue Ridge forests
|
Virginia
|
Caledon Natural Area
[15]
|
300 acres (120 ha)
|
Southeastern mixed forests
|
Upland
White Oak –
Tulip Poplar
[15]
|
Virginia
|
Warm Springs Mountain
[15]
|
425 acres (172 ha)
|
Appalachian-Blue Ridge forests
|
Oak-Hickory,
Pitch Pine
[15]
|
Virginia
|
North Landing River Preserve
[15]
|
200 acres (81 ha)
|
Middle Atlantic coastal forests
|
Pond Pine,
Atlantic White Cedar and scattered ancient
Bald cypress
[15]
|
Virginia
|
James Madison Estate
[15]
|
200 acres (81 ha)
|
Southeastern mixed forests
[15]
|
Northern Red Oak,
White Oak,
Tulip Tree and
Hickory
|
Washington
|
Olympic National Park
[18]
|
366,000 acres (148,000 ha)
[18]
|
|
|
Washington
|
North Cascades National Park
[18]
|
236,000 acres (96,000 ha)
[18]
|
|
|
Washington
|
Mount Rainier National Park
[18]
|
91,000 acres (37,000 ha)
[18]
|
|
|
Washington
|
Colville National Forest
[18]
|
212,488 acres (85,991 ha)
[18]
|
|
|
Washington
|
Gifford Pinchot National Forest
[18]
|
198,000 acres (80,000 ha)
[18]
|
|
|
Washington
|
Mount Baker-Snoqualmie National Forest
[18]
|
643,500 acres (260,400 ha)
|
|
|
Washington
|
Okanogan–Wenatchee National Forest
[18]
|
316,000 acres (128,000 ha)
[18]
|
|
|
Washington
|
Olympic National Forest
[18]
|
266,800 acres (108,000 ha)
[18]
|
|
|
Washington
|
South Whidbey State Park
[50]
|
381 acres (154 ha)
|
|
Coast Douglas-fir,
Sitka spruce,
Western Hemlock and Western Red-cedar
[50]
|
Washington
|
Seward Park (Seattle)
[18]
|
300 acres (120 ha)
[18]
|
|
Coast Douglas-fir
|
Washington
|
Wenatchee National Forest
[18]
|
318,800 acres (129,000 ha)
[18]
|
|
|
Washington
|
Schmitz Preserve Park[
citation needed]
|
|
|
|
West Virginia
|
Cathedral State Park
[15]
|
132 acres (53 ha)
|
|
Eastern Hemlock
|
West Virginia
|
Monongahela National Forest
[51]
|
318 acres (129 ha) in
6 separate stands
[51]
|
|
|
Wisconsin
|
Apostle Islands National Lakeshore
[15]
|
1,500 acres (610 ha)
[15]
|
|
|
Wisconsin
|
Chequamegon-Nicolet National Forest
[15]
|
|
|
|
Wisconsin
|
Gerstberger Pines
[52]
|
20 acres (8.1 ha)
[52]
|
|
Eastern Hemlock,
Yellow Birch,
Red Oak,
White Pine,
Basswood,
Red Maple
[52]
|
Wisconsin
|
Namekagon Barrens
[15]
|
4,000 acres (1,600 ha)
[15]
|
|
Jack pine and scrub oak
[15]
|
Wyoming
|
Yellowstone National Park
|
|
[
citation needed]
|
Lodgepole Pine
|