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Wisconsin State Natural Areas Program Chimney Rock Oak Savanna (No. 625)

Chimney Rock Oak Savanna

Photo by Josh Mayer



Within the Chimney Rock Wildlife Area, Trempealeau County. T23N-R9W, Section 10. 30 acres.



Located on the north side of Hawkinson Valley is Chimney Rock Oak Savanna. This site features an exceptional oak opening with large diameter red oak, white oak, and bur oak dominating the canopy. Although the savanna needs thinning and prescribed burning to rejuvenate the groundlayer, structurally the site is fairly intact. In addition, the understory supports a high diversity of savanna indicator species that will also respond well to management. Species include Canada hawkweed, tall anemone, Kalm's brome, New Jersey tea, Virginia wild rye, showy tick-trefoil, early horse gentian, prairie alum-root, and lion's foot. Other plant species present are fringed puccoon, showy goldenrod, prairie violet, rockrose, prairie coreopsis, short's aster, and sky-blue aster. Chimney Rock Oak Savanna is owned by the DNR and was designated a State Natural Area in 2010.


Driving directions

From the intersection of County Highways D and V in Strum, go west on V 3.2 miles, then south on State Highway 93 6 miles, then west on Highway V 1.3 miles, then northwest on Hawkinson Valley Road nearly 1 mile to a DNR parking area.


Chimney Rock Oak Savanna is owned by:

  • WDNR


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.


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, June 10, 2019