List of National Natural Landmarks in Pennsylvania
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From List of National Natural Landmarks, these are the National Natural Landmarks in Pennsylvania. There are 27 in total.
Name | Image | Date | Location | County | Ownership | Description | |
---|---|---|---|---|---|---|---|
1 | Bear Meadows Natural Area | ![]() |
1965 | Lua error in package.lua at line 80: module 'strict' not found. | Centre | public/state Rothrock State Forest |
Contains a 320-acre (130 ha) bog surrounded by a boreal old-growth forest |
2 | Box Huckleberry Site | April 1967 | Lua error in package.lua at line 80: module 'strict' not found. | Perry | public/state Tuscarora State Forest |
A 10-acre (4.0 ha) natural area which preserves a rare colony of box huckleberry over 1,000 years old. | |
3 | Cook Forest State Park | ![]() |
November 1967 | Lua error in package.lua at line 80: module 'strict' not found. | Clarion Forest Jefferson |
public/state | A 8,500-acre (3,440 ha) state park notable for its spectacular stands of old-growth Eastern White Pine and Eastern Hemlock, many from around 1644. |
4 | Ferncliff Peninsula Natural Area | ![]() |
1973 | Lua error in package.lua at line 80: module 'strict' not found. | Fayette | public/state Ohiopyle State Park |
This 100-acre (40 ha) peninsula is formed by a meander in the Youghiogheny River. It is a good example of a late successional forests in the Allegheny Mountains |
6 | Florence Jones Reineman Wildlife Sanctuary | 1973 | Lua error in package.lua at line 80: module 'strict' not found. | Cumberland Perry |
private/family trust | Contains a 3,100-acre (1,255 ha) diverse ecological community. | |
7 | Pine Creek Gorge | ![]() |
1968 | Lua error in package.lua at line 80: module 'strict' not found. | Tioga Lycoming |
public/state Tioga State Forest |
Known as the "Grand Canyon of Pennsylvania", a deep gorge carved by glacial meltwater. The maximum depth of the canyon is 1,450 feet (442 m) at Waterville, near the southern end. At Leonard Harrison and Colton Point State Parks, the depth is more than 800 feet and from rim to rim is approximately 4,000 feet (1200 m). Protects 160,000-acre (64,750 ha). |
8 | Hawk Mountain Sanctuary | ![]() |
1965 | Lua error in package.lua at line 80: module 'strict' not found. | Berks | private/nonprofit | A sanctuary on an Appalachian ridge, known as an excellent vantage point for hawk migrations. |
9 | Hearts Content Scenic Area | 1973[1] or 1977[2] | Lua error in package.lua at line 80: module 'strict' not found. | Warren | public/federal Allegheny National Forest |
An old-growth white pine forest of 120-acre (49 ha)s. | |
10 | Hemlocks Natural Area | 1972 | Lua error in package.lua at line 80: module 'strict' not found. | Perry | public/state Tuscarora State Forest |
Features numerous old growth hemlock trees. | |
11 | Hickory Run Boulder Field | ![]() |
1967 | Lua error in package.lua at line 80: module 'strict' not found. | Carbon | public/state Hickory Run State Park |
A 16.5-acre (7 ha) landscape of sandstone boulders, which were formed approximately 20,000 years ago. |
12 | Lake Lacawac | 1968 | Lua error in package.lua at line 80: module 'strict' not found. | Wayne | private/nonprofit | A 52-acre (21 ha) acre glacial lake surrounded by a hardwood conifer forest. | |
13 | McConnells Mill State Park | 100px | 1972 | Lua error in package.lua at line 80: module 'strict' not found. | Lawrence | public/state | Protects 2,546-acre (1,030 ha) acres of the Slippery Rock Creek gorge, including several waterfalls. |
14 | Monroe Border Fault | 1980 | Lua error in package.lua at line 80: module 'strict' not found. | Bucks | public/state Nockamixon State Park |
An upland along the Delaware River, the area features a variety of exposed rocks from different geological ages. | |
15 | Nay Aug Park Gorge and Waterfall | 1989 | Lua error in package.lua at line 80: module 'strict' not found. | Lackawanna | public/municipal | Located in an urban park, it features a rock-strewn, heavily-wooded gorge. | |
16 | Nottingham Park Serpentine Barrens | 2009 | Lua error in package.lua at line 80: module 'strict' not found. | Chester | private/nonprofit | A 651-acre (263 ha) county park on one of the largest outcrops of serpentine in the eastern US, which creates a savanna-like habitat with a number of unusual flora. | |
17 | Presque Isle State Park | ![]() |
1967 | Lua error in package.lua at line 80: module 'strict' not found. | Erie | public/state | A 3,112-acre (1,259 ha) sandy peninsula stretching into Lake Erie. |
18 | Reynolds Spring and Algerine Swamp Bogs | 1974 | Lua error in package.lua at line 80: module 'strict' not found. | Tioga Lycoming |
public/state Tioga State Forest |
Contains two bogs of 1,302-acre (527 ha)s and 84-acre (34 ha)s, which are surrounded by thick oak and pine groves. | |
19 | The Glens Natural Area | ![]() |
1968 | Lua error in package.lua at line 80: module 'strict' not found. | Columbia Sullivan Luzerne |
public/state Ricketts Glen State Park |
2,845-acre (1,151 ha)s of old growth forest, with many trees exceed 100 feet in height. Twenty two separate named waterfalls are located in the area. |
20 | Snyder Middleswarth Natural Area | ![]() |
1967 | Lua error in package.lua at line 80: module 'strict' not found. | Snyder | public/state Bald Eagle State Forest |
A hemlock, pine, and oak forest located on 500-acre (202 ha)s. |
21 | Susquehanna Water Gaps | 1968 | Lua error in package.lua at line 80: module 'strict' not found. | Cumberland, Dauphin, Perry | public/state | Millions of years of erosive rock create impressive landforms of unique geologic heritage and outstanding natural beauty, as the Susquehanna River cuts through five ridges of the Appalachian Mountains north of Harrisburg. | |
22 | Tamarack Swamp | 1977 | Lua error in package.lua at line 80: module 'strict' not found. | Warren | public/state | An acidic kettle pond bog. | |
23 | Tannersville Cranberry Bog | 100px | 1974 | Lua error in package.lua at line 80: module 'strict' not found. | Monroe | private/nonprofit | A 1,000-acre (405 ha) kettle lake fen. |
24 | John Heinz National Wildlife Refuge at Tinicum | ![]() |
1965 | Lua error in package.lua at line 80: module 'strict' not found. | Philadelphia Delaware |
public/federal | Protects a tidal marsh of 350-acre (142 ha)s located in an urban environment. |
25 | Tionesta Scenic and Research Natural Areas | 100px | 1973 | Lua error in package.lua at line 80: module 'strict' not found. | Warren McKean |
public/federal Allegheny National Forest |
4,131-acre (1,672 ha)s of old growth forest on the Allegheny Plateau. |
26 | Titus and Wattsburg Bogs | 1977 | Lua error in package.lua at line 80: module 'strict' not found. | Erie | private/nonprofit | A peatland of 125-acre (51 ha)s located near the shore of Lake Erie. | |
27 | Wissahickon Valley | 100px | 1964 | Lua error in package.lua at line 80: module 'strict' not found. | Montgomery, Philadelphia | public/state Fort Washington State Park |
Protects an urbanized tributary of the Schuylkill River, which features a gorge and thick woodlands. |