Located in Champaign County within Kiser Lake State Park. The Headwaters section of Kiser Lake State Nature Preserve is located at the north end of Kiser Lake Road (County Road 19) at the headwaters of Kiser Lake. A boardwalk trail system is present.

• Summer prairie and fen wildflowers including queen-of-the-prairie and shrubby cinquefoil
• Alkaline fen and marsh
• Marsh wildlife

Summer prairie and fen wildflowers including queen-of-the-prairie and shrubby cinquefoil; marsh wildlife. Alkaline fen and marsh.

Two prairie fen areas are the last vestiges of a 360-acre area known as Mosquito Lake Bog which occupied the upper Mosquito Creek Valley prior to the construction of Kiser Lake.

The Grandview Heights section in the south-central part of the park includes a meadow on the edge of the lake. The Headwaters section in the southeast part of the park includes meadows, marsh, and woods.

Unusual plant species present include shrubby cinquefoil, Kalm’s lobelia, grass-of-parnassus, smaller fringed gentian, big bluestem, queen-of-the-prairie, Ohio goldenrod and poison sumac.

There are restrooms and handicap-accessible facilities in the state park.