| Name
|
Image
|
Date
|
Location
|
County
|
Ownership
|
Description
|
| Arthur B. Williams Memorial Woods
|
|
1974
|
41°33′44″N 81°25′36″W / 41.562282°N 81.426792°W / 41.562282; -81.426792 (Arthur B. Williams Memorial Woods)
|
Cuyahoga
|
municipal
|
A remarkably pristine remnant beech-maple forest
|
| Blacklick Woods
|
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|
1974
|
39°56′14″N 82°48′28″W / 39.937222°N 82.807778°W / 39.937222; -82.807778 (Blacklick Woods)
|
Fairfield
|
county
|
An outstanding example of relatively undisturbed, old-growth beech-maple and swamp forest communities
|
| Brown's Lake Bog
|
|
1967
|
40°40′51″N 82°03′45″W / 40.6809°N 82.0624°W / 40.6809; -82.0624 (Brown's Lake Bog)
|
Wayne
|
private
|
One of the few well-preserved, virgin boreal acid bogs remaining in a region where wetlands have been drained for agricultural use.
|
| Buzzardroost Rock, Lynx Prairie, The Wilderness
|
|
1967
|
38°45′34″N 83°24′25″W / 38.759381°N 83.407013°W / 38.759381; -83.407013 (Lynx Prairie)
|
Adams
|
private
|
Supports many rare or uncommon species and it has an almost 50- year history of scientific observations.
|
| Cedar Bog
|
|
1967
|
40°03′34″N 83°47′44″W / 40.059444°N 83.795556°W / 40.059444; -83.795556 (Cedar Bog)
|
Champaign
|
state
|
An excellent example of a marl swamp. Part of Cedar Bog State Nature Preserve.
|
| Clear Fork Gorge
|
|
1967
|
40°36′40″N 82°17′13″W / 40.610982°N 82.286827°W / 40.610982; -82.286827 (Clear Fork Gorge)
|
Ashland
|
state
|
Clearly illustrates evidence of stream reversal due to the Wisconsin glacier. Located in Mohican State Park.
|
| Clifton Gorge
|
|
1967
|
39°47′38″N 83°49′53″W / 39.793903°N 83.831525°W / 39.793903; -83.831525 (Clifton Gorge)
|
Greene
|
state
|
Exemplary of interglacial and postglacial canyon-cutting into the dolomites of the Niagara Escarpment. Part of Clifton Gorge State Nature Preserve.
|
| Crall Woods
|
|
1974
|
41°01′42″N 82°26′04″W / 41.028219°N 82.434376°W / 41.028219; -82.434376 (Crall Woods)
|
Ashland
|
private
|
A near-virgin remnant of maple-basswood-beech forest-type.
|
| Cranberry Bog
|
|
1968
|
39°55′54″N 82°28′06″W / 39.931545°N 82.468232°W / 39.931545; -82.468232 (Cranberry Bog)
|
Licking
|
state
|
The only known bog of its type in existence. Part of Cranberry Bog State Nature Preserve.
|
| Dysart Woods
|
|
1967
|
39°59′05″N 80°59′51″W / 39.9846°N 80.9976°W / 39.9846; -80.9976 (Dysart Woods)
|
Belmont
|
state
|
One of the finest remaining examples of the white oak forests of eastern Ohio. Managed by Ohio University.
|
| Fort Hill State Memorial
|
|
1974
|
Hillsboro39°06′47″N 83°24′23″W / 39.1131°N 83.4063°W / 39.1131; -83.4063 (Fort Hill State Memorial)
|
Highland
|
state
|
Excellent outcrops of Silurian, Devonian, and Mississippian sedimentary bedrock and a natural bridge.
|
| Glacial Grooves State Memorial
|
|
1967
|
41°36′59″N 82°42′23″W / 41.616304°N 82.70652°W / 41.616304; -82.70652 (Glacial Grooves State Memorial)
|
Erie
|
state
|
Very large limestone glacial grooves.
|
| Glen Helen Natural Area
|
|
1965
|
39°48′15″N 83°52′54″W / 39.804125°N 83.881697°W / 39.804125; -83.881697 (Glen Helen Natural Area)
|
Greene
|
private
|
Includes a waterfall that carved a large travertine bowl around its pool.
|
| Goll Woods
|
|
1974
|
41°33′15″N 84°21′42″W / 41.554294°N 84.361738°W / 41.554294; -84.361738 (Goll Woods)
|
Fulton
|
state
|
One of the best remaining examples of an oak-hickory dominated forest in Ohio. Part of Goll Woods State Nature Preserve.
|
| Hazelwood Botanical Preserve
|
|
1974
|
|
Hamilton
|
state
|
Highly detailed study of the site's plant ecology was published in 1929. Managed by the University of Cincinnati.
|
| Highbanks Natural Area
|
|
1980
|
40°08′38″N 83°01′42″W / 40.143889°N 83.028333°W / 40.143889; -83.028333 (Highbanks Natural Area)
|
Delaware, Franklin
|
county
|
A forested bluff overlooking the Olentangy River.
|
| Holden Natural Area
|
|
1967
|
|
Geauga, Lake
|
private
|
A complex of three natural areas.
|
| Hueston Woods
|
|
1967
|
39°34′21″N 84°44′29″W / 39.5725°N 84.741389°W / 39.5725; -84.741389 (Hueston Woods)
|
Butler, Preble
|
state
|
A noteworthy example of beech-maple climax forest that has never been cut. Located in Hueston Woods State Park.
|
| Mantua Swamp
|
|
1976
|
41°16′49″N 81°12′41″W / 41.280278°N 81.211389°W / 41.280278; -81.211389 (Mantua Swamp)
|
Portage
|
private
|
Contains many different wetland communities.
|
| Mentor Marsh
|
|
1964
|
41°43′45″N 81°18′20″W / 41.729164°N 81.305492°W / 41.729164; -81.305492 (Mentor Marsh)
|
Lake
|
state
|
Consists of marsh vegetation, aquatic plants, swamp and bottomland forest, and upland forest. Part of Mentor Marsh State Nature Preserve.
|
| Serpent Mound Cryptoexplosive Structure
|
|
1980
|
39°02′00″N 83°24′00″W / 39.033333°N 83.4°W / 39.033333; -83.4 (Serpent Mound crater)
|
Adams, Highland, Pike
|
private
|
A structure of undetermined origin exposed by differential erosion.
|
| Tinker's Creek Gorge
|
|
1967
|
41°21′54″N 81°36′35″W / 41.365°N 81.609722°W / 41.365; -81.609722 (Tinker's Creek Gorge)
|
Cuyahoga
|
municipal
|
Contains a virgin oak-hickory and virgin beech-maple-hemlock forest.
|
| White Pine Bog Forest
|
|
1976
|
|
Geauga
|
municipal, private
|
The only remaining near-virgin remnant white pine boreal bog in Ohio.
|
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