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Cedar Bog State Nature Preserve

Preserving 428 acres in Champaign County

Cedar Bog is the largest and best calcareous bog or fen in Ohio. One of the most characteristic plants of this preserve is white cedar or arbor-vitae. Significant boreal, as well as prairie and coastal plain species, occur here.

Some of the more unusual plants include small yellow and show lady's-slipper orchids, smaller fringed gentian, swamp birch, shrubby cinquefoil, prairie valerian, Riddell's goldenrod and queen-of-the-prairie.

Local Directions

Located in Champaign County, 4 miles south of Urbana on U.S. Rte 68, then west on Woodburn Rd for 1 mile to signed entrance and parking lot.

Special Features

Summer Wildflowers
Geologic Features

Bird Watching
Spring Wildflowers

  • Boreal and prairie fen complex
  • many rare plants and animals
  • excellent orchid and prairie wildflowers


Wheelchair Accessible

  • Parking lot

Managing Agency

This preserve is operated by the non-profit Cedar Bog Association and is owned by the Ohio History Connection. Operating days/hours vary by season. A $5 per person fee is required for admittance. Please contact the Cedar Bog Association to learn more.

$5 per person admission fee

Tell Your Preserve Story