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Wisconsin State Natural Areas Program Princeton Prairie (No. 343)

Princeton Prairie

Photo by Josh Mayer



Green Lake County. T16N-R12E, Section 2. T17N-R12E, Section 35. 121 acres.



Located in an extensive basin where the meandering White and Puchyan Rivers empty into the Fox River, Princeton Prairie features a high quality wetland complex with numerous rare plants and animals. The site contains a diversity of wetland communities with southern sedge meadow, wet-mesic prairie, and open marsh. A low wet-prairie-marsh-sedge meadow complex can be found at the edge of the Puchyan River wetlands and contains a rich diversity of species including a large population of a rare plant. Many other wet-mesic species can be found here including yellow star-grass, white wild indigo, cream wild indigo, tall green milkweed, Kalm's St. John's-wort, wood lily, blazing-star, prairie phlox, and prairie alumroot. The area is also important waterfowl breeding habitat. Princeton Prairie is owned by the DNR and was designated a State Natural Area in 2002.


Driving directions

From the intersection of Highways 49 and 23 in Green Lake, go north on Highway 49 1.3 miles, then west on J 3 miles, then north and west on CC 2.4 miles, then north on Huckleberry Road 1.2 miles, then east on an access lane 0.25 miles. While the access lane does provide for public access into Princeton Prairie, the lane crosses private lands. Please do not trespass on the private lands north or south of the access lane.


Princeton Prairie 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