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Wisconsin State Natural Areas Program Trempealeau Mountain (No. 356)

Trempealeau Mountain

Photo by Thomas A. Meyer

Resources:

Perrot State Park


Overview

Location

Within Perrot State Park, Trempealeau County. T18N-R9W, Section 19. 90 acres.

Description

Description

Surrounded by the Mississippi and Trempealeau Rivers, the steep-sided Trempealeau Mountain is one of only three solid rock islands along the entire stretch of Mississippi River. Standing 425 feet high, the mountain was used as an early navigational device by steamboat captains and other river travelers. The mountain is mostly wooded with black and white oak and basswood. Red oaks are found on the southeast-facing hollow with large patches of interrupted ferns while sugar maple and basswood dominate on the cooler northeast facing slopes. On dry south-facing slopes are small patches of dry prairie with big blue-stem, needle grass, side-oats grama, hairy grama, white and purple prairie-clover, prairie larkspur, and partridge pea. The mountain is rich in archeological features with numerous Native American mounds, burial sites, and habitation sites. The name Trempealeau comes from the French, “la montagne qui trempe à l’eau” meaning “the mountain whose foot is bathed in water”. Trempealeau Mountain is owned by the DNR, as part of Perrot State Park and was designated a State Natural Area in 2002.

Access

Driving directions

From the intersection of State Highway 35 and Main Street in Trempealeau, go south on Main Street about two blocks, then west into Perrot State Park on South Park Road 2.6 miles to a boat launch west of the road. Access is by boat.

Ownership

Trempealeau Mountain 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.

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
  • 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: Monday, March 25, 2019