Black Tern Bog State Natural Area

Black Tern Bog State Natural Area

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Location	Vilas County, Wisconsin
Coordinates	45°58′1.25″N 89°41′53.11″W / 45.9670139°N 89.6980861°W / 45.9670139; -89.6980861
Area	20 acres (8.1 ha)^[1]
Established	1967^[1]
Owner	Wisconsin Department of Natural Resources^[1]
Website	Official website
Wisconsin State Natural Areas

Black Tern Bog State Natural Area is a Wisconsin Department of Natural Resources-designated State Natural Area featuring 20 acres (8 ha) of quaking sphagnum bog surrounding two small seepage lakes situated in a pitted outwash plain. The bog is rich in plant species, such as sundews, pitcher plant, bogbean, and bog rosemary, as well as three species of bog orchids: swamp pink, grass pink, and rose pogonia. The state-endangered bog rush (Juncus stygius) also grows here. Birds known to nest here include black tern, American bittern, killdeer, and mallards.^[1]^[2]

Location and access

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Black Tern Bog is located in southwest Vilas County, approximately 3.5 miles (5.6 km) northwest of Arbor Vitae. Access is via an unnamed dirt road off US Highway 51, north of the bog. The road wraps around the northern and eastern portions of the bog. It is also possible to park on the shoulder of US Highway 51, which passes along the western edge of the bog.^[3]

Gallery

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The south end of the bog
Looking east, across the central portion of the bog
The carnivorous pitcher plant (Sarracenia purpurea) growing in Black Tern Bog

References

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1 2 3 4 "Black Tern Bog". Wisconsin Department of Natural Resources. Retrieved June 30, 2026.
↑ Germain, Clifford E.; Tans, William E.; Read, Robert H. "Wisconsin scientific areas 1977: preserving native diversity" (PDF).
↑ Black Tern Bog State Natural Area (Map). Wisconsin Department of Natural Resources. Retrieved June 30, 2026.

External links

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Wikimedia Commons has media related to Black Tern Bog State Natural Area.

Black Tern Bog State Natural Area Wisconsin Department of Natural Resources
Black Tern Bog State Natural Area Map Wisconsin Department of Natural Resources

Protected areas of Wisconsin

Federal

National Estuarine Research Reserves	Lake Superior
National Forests	Chequamegon–Nicolet
National Lakeshores	Apostle Islands
National Marine Sanctuaries	Wisconsin Shipwreck Coast
National Trails	Ice Age North Country
National Wildlife Refuges	Driftless Area Fox River Gravel Island Green Bay Hackmatack Horicon Marsh Necedah Trempealeau Upper Mississippi River Whittlesey Creek
National Wild and Scenic Rivers	St. Croix River Wolf River
Other	National Historic Landmarks National Natural Landmarks National Register of Historic Places Wilderness Areas

State

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State Recreation Areas	Cadiz Springs Chippewa Moraine Fischer Creek Hoffman Hills Menominee River Richard Bong
State Forests	Black River Brule River Coulee Experimental Flambeau River Governor Knowles Havenwoods Kettle Moraine - Lapham Peak Unit Kettle Moraine - Loew Lake Unit Kettle Moraine - Northern & Southern Units Kettle Moraine - Pike Lake Unit Northern Highland-American Legion Peshtigo River Point Beach
State Historical Sites	Black Point Estate Circus World Museum First Capitol H. H. Bennett Studio Madeline Island Museum Old World Wisconsin Pendarvis Reed School Stonefield Villa Louis Wade House
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Wisconsin Department of Natural Resources