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 , Bigcone 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 lessnorthern 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 Jersey Clayton Park [ 43] 78 acres (32 ha) [ 44] Northeastern coastal forests American Beech ,White Oak , Northern Red Oak , Gray birch [ 43] 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 [ 45] [ 46] 60 - 100 acres (24 - 40.5 ha) [ 47] [ 45] 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 [ 48] 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 [ 49] Northeastern coastal forests Sugar Maple , White Ash , American Beech , Yellow Birch , Northern Red Oak [ 49] 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 [ 50] 225 acres (91 ha) [ 50] 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 [ 51] 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 Moran State Park 5,000 acres (2,000 ha) Coast Douglas-fir Washington Rockport State Park (Washington) 632 acres (256 ha) Coast Douglas-fir Washington Federation Forest State Park 619 acres (251 ha) Coast Douglas-fir , Sitka Spruce Washington South Whidbey State Park [ 52] 381 acres (154 ha) Coast Douglas-fir , Sitka spruce , Western Hemlock and Western Red-cedar [ 52] Washington Seward Park (Seattle) [ 18] 300 acres (120 ha) [ 18] Coast Douglas-fir Washington Point Defiance Park 400 acres (160 ha) Coast Douglas-fir , Western Redcedar , Western Hemlock , Bigleaf Maple , Pacific Madrone Washington West Hylebos Wetlands Park 120 acres (49 ha) Sitka Spruce , Bigleaf Maple , Black Cottonwood , Coast Douglas-fir , Western Redcedar Washington Schmitz Preserve Park [ citation needed ] 53 acres (21 ha) West Virginia Cathedral State Park [ 15] 132 acres (53 ha) Eastern Hemlock West Virginia Monongahela National Forest [ 53] 318 acres (129 ha) in 6 separate stands [ 53] Wisconsin Apostle Islands National Lakeshore [ 15] 1,500 acres (610 ha) [ 15] Wisconsin Chequamegon-Nicolet National Forest [ 15] Wisconsin Gerstberger Pines [ 54] 20 acres (8.1 ha) [ 54] Eastern Hemlock , Yellow Birch , Red Oak , White Pine , Basswood , Red Maple [ 54] 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