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For information on State Natural Areas, contact:
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Wisconsin State Natural Areas Program Johnson Falls (No. 557)

Johnson Falls

Photo by Patrick Robinson

Resource links:

Peshtigo River State Forest


Overview

Location

Within the Peshtigo River State Forest, Marinette County. T32N-R19E, Sections 4, 5. T33N-R19E, Sections 33, 34. 210 acres.

Description

Description

Located on sandy outwash, Johnson Falls is located along both sides of a 1.5 mile section of the Peshtigo River. Here the river flows through a narrow, rocky to sandy-bottomed valley with steep slopes and gently rolling sandy plains above the valley. Below the Johnson Falls Dam are mature forests situated on the steep, sandy slopes and on old river terraces. Mature dry-mesic pine and oak forest and a white cedar dominated wet-mesic forest are the dominant features. The wet-mesic forest contains some cedars exceeding 15 inches in diameter. Common canopy associates are balsam fir, and black spruce with paper birch, white spruce, basswood, white pine, black ash, hemlock, and red maple. The ground layer is diverse and contains species such as three-leaved goldthread, orange jewelweed, naked miterwort, dwarf red raspberry, wild sarsaparilla, American spurred-gentian, and various sedges. Sphagnum mosses form an extensive carpet in some parts of the stands. Seeps and spring runs occur at the slope base and these areas support dense masses of bulblet bladder fern, golden ragwort, cinnamon fern, and common oak fern. Two plants of special concern are present including sheathed sedge (Carex vaginata). The sandy uplands contain some areas of high quality white and red pine forest and more open areas support the rare Deam's rockcress (Arabis missouriensis). Also present is a granitic bedrock outcrop with a relatively undisturbed glade and dry cliff community on the slopes and uplands on the northeast side of the river. Hill's oak, with red maple, white oaks, white pine and jack pine are the primary trees present. The sparse shrublayer is comprised of hazelnut and early low blueberry while the ground flora contains poverty oatgrass, Pennsylvania sedge, big bluestem, and little bluestem. Lichens and mosses are common on exposed bedrock and thin soil. Johnson Falls is owned by the DNR and was designated a State Natural Area in 2007.

Access

Driving directions

From the intersection of County Highway A and W in Crivitz, go north and west on County A 6.1 miles, then east and north on Newton Lake Road 1.8 miles, then west on High Falls Road 1.9 miles. The site is located on both sides of a 1.5 mile section of the Peshtigo River below the Johnson Falls Dam.

Ownership

Johnson Falls 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 reserve for bedrock glade, northern dry-mesic forest and northern wet-mesic forest, as a northern dry forest restoration area, and as an ecological reference area. Natural processes and prescribed vegetation manipulation (see below) will determine the structure of the forest. Provide opportunities for research and education on the highest quality native northern forest and glade communities.

Management approach

The native dominant tree species (primarily white pine and white cedar) are managed passively. However, a 10-acre red pine plantation will be managed to gradually convert the stand to a more natural looking forest with a significant white pine component. Some trees in the pine plantation will remain standing, including scattered northern pin oak and red pine. Other allowable activities across the entire site include control of invasive plants and animals, maintenance of existing facilities, and access to suppress fires. Salvage of trees after a major wind event can occur if the volume of woody material inhibits fire prescriptions.

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: Thursday, October 19, 2017