List of National Natural Landmarks in Pennsylvania

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 40°24′22″N 77°10′26″W / 40.406111°N 77.173889°W 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 40°24′22″N 77°10′26″W / 40.406111°N 77.173889°W 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 41°19′25″N 79°09′50″W / 41.323611°N 79.163889°W 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 39°52′03″N 79°29′54″W / 39.867555°N 79.498229°W 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 40°16′0″N 77°16′0″W / 40.26667°N 77.26667°W Cumberland
Perry 		private/family trust Contains a 3,100-acre (1,255 ha) diverse ecological community.
7 Pine Creek Gorge 1968 41°16′18″N 77°19′37″W / 41.271667°N 77.326944°W 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 40°38′44″N 75°58′48″W / 40.645556°N 75.98°W 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] 41°41′28″N 79°15′14″W / 41.691°N 79.254°W Warren public/federal
Allegheny National Forest		 An old-growth white pine forest of 120-acre (49 ha)s.
10 Hemlocks Natural Area 1972 40°14′18″N 77°38′29″W / 40.238418°N 77.641379°W Perry public/state
Tuscarora State Forest		 Features numerous old growth hemlock trees.
11 Hickory Run Boulder Field 1967 41°02′10″N 75°41′02″W / 41.036111°N 75.683889°W 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 41°22′56″N 75°17′31″W / 41.382289°N 75.292078°W Wayne private/nonprofit A 52-acre (21 ha) acre glacial lake surrounded by a hardwood conifer forest.
13 McConnells Mill State Park 1972 40°55′36″N 80°11′24″W / 40.926667°N 80.19°W 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 40°34′47″N 75°11′51″W / 40.579756°N 75.197556°W 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 41°24′05″N 75°38′34″W / 41.401389°N 75.642778°W Lackawanna public/municipal Located in an urban park, it features a rock-strewn, heavily-wooded gorge.
16 Nottingham Park Serpentine Barrens 2009 39°44′26″N 76°02′21″W / 39.740507°N 76.039112°W 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 42°09′47″N 80°06′03″W / 42.163056°N 80.100833°W Erie public/state A 3,112-acre (1,259 ha) sandy peninsula stretching into Lake Erie.
18 Reynolds Spring and Algerine Swamp Bogs 1974 41°33′03″N 77°29′51″W / 41.550902°N 77.497481°W 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 41°19′34″N 76°16′46″W / 41.32611°N 76.27944°W 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 40°48′36″N 77°16′59″W / 40.81°N 77.283056°W 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 40°31′15″N 76°58′44″W / 40.520918°N 76.978867°W 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 41°59′20″N 79°33′18″W / 41.989°N 79.555°W Warren public/state An acidic kettle pond bog.
23 Tannersville Cranberry Bog 1974 41°2′24″N 75°18′21.6″W / 41.04000°N 75.306000°W Monroe private/nonprofit A 1,000-acre (405 ha) kettle lake fen.
24 John Heinz National Wildlife Refuge at Tinicum 1965 39°53′09″N 75°15′44″W / 39.885866°N 75.262356°W 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 1973 41°38′42″N 78°56′28″W / 41.645°N 78.941°W 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 41°56′36″N 79°45′47″W / 41.943388°N 79.763107°W Erie private/nonprofit A peatland of 125-acre (51 ha)s located near the shore of Lake Erie.
27 Wissahickon Valley 1964 40°00′58″N 75°12′21″W / 40.016056°N 75.205744°W Montgomery, Philadelphia public/state
Fort Washington State Park		 Protects an urbanized tributary of the Schuylkill River, which features a gorge and thick woodlands.

References

  1. ↑ "Hearts Content Scenic Area". National Park Service. Retrieved 2009-12-12.
  2. ↑ "Hearts Content Recreation Area". United States Forest Service. 2007-04-14. Retrieved 2008-01-15.