In June of 1993, the 400 State Trail was officially opened. Paul in 400 minutes. Packed limestone screenings and bridges with planked floors provide a smooth bike riding surface. Wetlands, sandstone bluffs, rolling croplands and pastures are just a few of the sights that visitors will enjoy on the 400 trail as it repeatedly criss crosses the Baraboo River. The entire length of the trail follows along the river valley.
Snowmobiles use the trail in the winter months.
A unique feature of the 400 trail is a 7 mile horse trail which parallels the bike trail between Wonewoc and LaValle. This is part of the Elroy Commons.