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For information on State Natural Areas, contact:
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Wisconsin State Natural Areas Program Summerton Bog (No. 42)

Summerton Bog

Photo by Dave Warners


Overview

Location

Marquette County. T15N-R8E, Sections 26, 27, 34, 35. 427 acres.

Description

Description

Situated in a glacial lakebed with muck and peat soils, Summerton Bog is a highly diverse complex of low meadow, bog, fen, tamarack, and shrub communities. Water is at or near the surface year-round in the lowland areas, supplied by precipitation and five large artesian springs. The earliest maps of the area, dating back to the 1830s, show sedge meadow as the predominant vegetation. Located in the southeastern corner is a five-acre glacial till island wooded with red and white oaks. On the western flank of the island is a calcareous fen. Its calcium-rich waters have allowed an unusual assemblage of plants to thrive including typical fen species bluejoint grass, sweet grass, tussock sedge, spring cress, valerian, fringed gentian, and lousewort. Forested communities are mostly dominated by tamarack with a few black spruce. Groundlayer species include sundew, pitcher plant, and cranberries. At the southwestern corner is an area of black ash, basswood, and shagbark hickory. Remaining communities are shrub carr and sedge meadow. Poison sumac is abundant throughout the sedge meadow and tamarack bog. Nesting birds include sandhill crane, bobolink, sedge wren, Nashville warbler, and veery. Prescribed burns and brushing are conducted to maintain sedge meadow and fen community vigor. Summerton Bog is owned by the Wisconsin Chapter of the Nature Conservancy and was designated a State Natural Area in 1966.

Access

Driving directions

From the intersection of Highways 51 and D, about 3.5 miles north of Endeavor, go west on D 2 miles, then west on Freedom Road about 1.5 miles to a parking lot south of the road. Bog access is through the oldfield.

For available hunting opportunities, visit The Nature Conservancy's website: The Nature Conservancy [exit DNR]

Ownership

Summerton Bog is owned by:

  • The Nature Conservancy

Maps

The DNR's state natural areas program is comprised of lands owned by the state, private conservation organizations, municipalities, other governmental agencies, educational institutions and private individuals. While the majority of SNAs are open to the public, access may vary according to individual ownership policies. Public use restrictions may apply due to public safety, or to protect endangered or threatened species or unique natural features. Lands may be temporarily closed due to specific management activities. Users are encouraged to contact the landowner for more specific details.

The data shown on these maps have been obtained from various sources, and are of varying age, reliability, and resolution. The data may contain errors or omissions and should not be interpreted as a legal representation of legal ownership boundaries.

Recreation

Very few State Natural Areas have public facilities, but nearly all are open for a variety of recreational activities as indicated below. Generally, there are no picnic areas, restrooms, or other developments. Parking lots or designated parking areas are noted on individual SNA pages and maps. Trails, if present, are typically undesignated footpaths. If a developed trail is present, it will normally be noted on the SNA map and/or under the "Access" tab. A compass and topographic map or a GPS unit are useful tools for exploring larger, isolated SNAs.

Non-DNR lands

Hunting and trapping

This is a non-DNR owned SNA: Opportunities for hunting and trapping depend on the land owner. Please contact them directly to find out about their rules for hunting and trapping. You can find a link to other owner websites under the "Resource links" heading above. More details regarding allowable uses of this non-DNR owned SNA may be posted, if available, under the "Access" tab above.

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Other activities

Other allowable activities such as - but not limited to camping, geocaching and bicycling are determined by the landowner. Please contact them directly or visit their websites for details.

Last revised: Thursday, October 19, 2017