Lake Kegonsa State Park Professional Guide
Detailed Trail Description from our Guidebook
"This lakeside park offers several short hikes or one long one that takes in varying landscape that includes restored prairie, a pine plantation, oak forest, and a marsh. Afterward go for a swim. This park was once part of a great river valley that was here more than a million years ago. The last of the glaciers passed over this area; where they stopped, they left a line of glacial deposit called a terminal moraine, located today just a few miles south of Lake Kegonsa.
The meltwater flowing from the shrinking glaciers filled some of the former river valley with sand, gravel, and large boulders, forming dams in some places and raising the base
significantly. The result is the chain of four lakes in the Madison area."