Established 1992

Waukesha County Land Conservancy

Protecting environmentally significant lands in Waukesha County


Since 1992 the Waukesha Land Conservancy  has over 2,800 acres protected permanently in Waukesha County.

Conservation easements on private lands have resulted in the protection of
698 acres and partnerships have protected another 121 acres.


Anderson Nature Preserve


Bottecher Road Wetlands

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Eagle Centre Prairie

Home to one of the rarest native communities globally, Eagle Centre Prairie was protected in 2002. Once covering over five million acres in Wisconsin, less than 1% of oak savanna and oak woodland remains. The WCLC maintains and restores Eagle Centre Prairie by employing brush removal techniques and prescribed fires. These practices keep the protected bur oak tree openings from being overrun by shrubs and saplings. Within the fragile landscape are the state-threatened kitten tails in abundance with many other plant species, such as the pasque-flower, prairie smoke, and lupine.

Frog Hollow

Located in the City of Delafield near the south end of Nagawicka Lake, Frog Hollow extends over 30 acres of wetlands and well-drained slopes. The property, obtained by WCLC in 2002, is classified as a Class I Wildlife Habitat in the wetland region by the Southeastern Wisconsin Regional Planning Commission. The preserved land is home not only to the frogs it is well known for but also muskrats, mink, salamanders, turtles, snakes, the great blue heron, and wood ducks. In addition, several tree species populate the area, including several types of oak, elm, maple, and hickory. Marsh, sedge meadow, and lowland hardwood cover Frog Hollow’s landscape.​

Genesee Creek Headwaters


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Gramling / Martin Donation

Hartland Marsh Preserve

Located in the Village of Hartland, the Hartland Marsh Preserve spreads across 180 acres now protected by WCLC in partnership with the Ice Age Trail Alliance and the Village of Hartland. The property is known for the Bark River which meanders throughout the protected area. Ranked as a Class 1 Wildlife Habitat and an AQ-1 by SEWRPC, this local treasure preserves ancient bur oak trees and a vital habitat for birds and various woodland animals, including species of mink and turtles. The property is open for bird watching and nature study, especially by local schools who use this location for educational experiences.
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Langer Nature Preserve

Lakewood Farms - Lakewood Forest Preserve

In the Town of Mukwonago, this critical parcel lies within the watershed of the pristine Mukwonago River. Its preservation will help to ensure the water quality of the river while also protecting a deep, wooded kettle, the shore of a small lake, and a field that is prime to be restored to an oak opening.

Thanks to the dedication of the Waukesha County Land Conservancy’s members, community volunteers, and board of directors, over 1500 acres in Waukesha County are protected through ownership and by land preservation agreements.

These are just some of the sites owned by the Waukesha Land Conservancy. 


Photo by Rob Chapman,


Marsh Hawk Preserve

Martin's Woods

Located in Big Bend, WI, Martin’s Woods is a State Natural Area and the first property protected by WCLC. Within the 32 acres, comprised of three types of wetlands, are two threatened, nine special concern, and 20 uncommon plants. Native to the property are 249 species, including the beautiful prairie, nodding, and large-flowered trillium. Blue-spotted salamanders, snakes, and important bird species can also be found on the property.


Minor's Homestead

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Mud Lake


Nagawicka Kettle Bog


Nelson's Woods

Covering 114 acres in the town of Ottawa, Nelson’s Woods is the fourth property obtained for preservation by WCLC. The landscape includes the Scuppernong Creek ranked as an AQ-1, several ponds, and wetlands, making this area an excellent habitat for birds and waterfowl, particularly the great blue heron.  A variety of trees also decorate the property, including several species of oak, shagbark hickory, and black cherry. Rarely seen this far south, the yellow birch tree inhabits the forested area as well. Vegetation native to the land are dutchman’s breeches, skunk cabbage, and marsh marigold.

Nicholas Preserve

This 20 acre site in New Berlin is a good mixed forest, with sugar maples, a very large hackberry tree, and a ground layer of wildflowers including Jack-in-the-pulpit and wild geranium.

Ottawa Wildlife Refuge with Izaak Walton Addition

Designated as a “Significant Natural Area,” the 350-acre Ottawa Wildlife Refuge provides a critical link in the same corridor containing Scuppernong Creek Preserve and Nelson’s Woods, two other Waukesha County Land Conservancy sites. The Ottawa Wildlife Refuge provides feeding and nesting habitat for several uncommon woodland bird species including the Veery, the Nashville warbler, the blue-gray gnatcatcher and northern water thrush. Geologically significant also, the refuge has numerous oval drumlin hills. Over half of the preserve was once the bottom of a large, shallow glacial lake, now a thriving wetland.


Scuppernong Wetlands

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Steuer / McCauley Woods


Summit Bog

Summit Bog is a 54 acre parcel located in the Village of Summit.  The property is designated as a Class I Wildlife Habitat capable of supporting breeding populations of birds and other animals.  The Veery, Northern waterthrush and Canada warbler have used the area for nesting.

Tamarack Swamp Preserve

Located in the Village of Menomonee Falls, within a 830-acre wetland system, Tamarack Swamp Preserve is a 147-acre site acquired by WCLC in 2004. The property is described as a “birder’s heaven,” hosting a variety of species including woodcock, several types of hawks and sparrows, nesting woodpeckers, and flycatchers. Tamarack Swamp Preserve also protects beech trees, which are rare this far west, as well as ephemeral ponds and the threatened Butler’s Garter snake. SERWPC ranked this property as a NA-2 and Class 1 Wildlife Habitat.


Albert Thiesen Donation


Wilson Wood Duck Sanctuary

Conservation easements on private lands have resulted in the protection of 698 acres and partnerships have protected another 121 acres.