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For information on State Natural Areas, contact:
Thomas Meyer
Natural areas conservation biologist

Wisconsin State Natural Areas Program Brule Rush Lake (No. 401)

Brule Rush Lake

Photo by Thomas A. Meyer

Resource links:

Brule River State Forest


Overview

Location

Within the Brule River State Forest, Douglas County. T46N-R10W, Sections 1, 12. 22 acres.

Description

Description

Brule Rush Lake features a 22-acre soft-water seepage lake with an undisturbed shoreline and a good example of an inland lake beach. The lake is slightly alkaline and has clear water, a sandy bottom, and a maximum depth of 9 feet. Apparently, winterkill conditions have not occurred here despite the shallow depth. The lake experiences significant natural water level fluctuations, which have kept the littoral zone open and allowed colonization by several distinct floristic associations. The inundated zone is composed mostly of spike-rushes and bulrushes. The middle beach, with a substrate of moist sand, supports a diverse array of sedges and rushes, creeping clubmoss, purple gerardia, and several large populations of the insectivorous round-leaved sundew. The dry upper beach is vegetated with coarser plants such as grass-leaved goldenrod, boneset, Canada bluejoint grass, and red-stemmed gentian. Along the south shore is an area of spring seepages. This site is exemplary for its aquatic invertebrate community, including two rare species. Many other uncommon aquatic invertebrates have also been documented. Although seepage lakes with naturally fluctuating shorelines are common in this region, the rate of lake and shoreline development has accelerated tremendously in recent years, destroying or damaging many littoral habitats in the process. The surrounding uplands are forested with jack pine, red pine, and aspen. Brule Rush Lake is the first interior beach designation in the State Natural Areas Program and was designated a State Natural Area in 2003. Brule Rush Lake is owned by the DNR.

Access

Driving directions

From the intersection of Highways 27 and 2 in Brule, go south on 27 5.7 miles, then east on Rush Lake Road 2.2 miles, then south on County Line Road to a parking area east of the road. Or continue on Rush Lake Road another 0.1 mile to a second parking area south of the road.

Ownership

Brule Rush Lake is owned by:

  • WDNR

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.

Objectives

Site objectives

Manage the site as a preserve for inland beach, as an aquatic preserve and wetland protection area, and as an ecological reference area. Natural processes will determine the structure of the lake and beach. Provide opportunities for research and education on the highest quality native aquatic and littoral communities.

Management approach

The native aquatic and littoral species are managed passively, which allows nature to determine the ecological characteristics of the lake and beach. Exceptions include control of invasive plants and animals, and maintenance of existing facilities.

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.

Allowable activities

In general, the activities listed below are allowed on all DNR-owned SNA lands. Exceptions to this list of public uses, such as SNAs closed to hunting, are noted under the "Access" tab above and posted with signs on site.

  • Hiking
  • Fishing
  • Cross country skiing
  • Hunting
  • Trapping

Prohibited activities

  • Camping and campfires
  • Collecting of animals (other than legally harvested species), non-edible fungi, rocks, minerals, fossils, archaeological artifacts, soil, downed wood, or any other natural material, alive or dead. Collecting for scientific research requires a permit issued by the DNR
  • Collecting of plants including seeds, roots or other non-edible parts of herbaceous plants such as wildflowers or grasses
  • Drone use, unless authorized by a SNA research permit
  • Geocaching
  • Horseback riding
  • Rock climbing
  • Vehicles, including bicycles, ATVs, aircraft, and snowmobiles except on trails and roadways designated for their use

For rules governing state-owned SNAs and other state lands, please consult Chapter NR 45 Wis. Admin. Code [exit DNR]

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Last revised: Friday, December 15, 2017