Biking is just one more activity that is available to the residents in the wonderful neighborhood of Thornwood.
Check out these maps that connect Thornwood to miles of beautiful bike trails.
Be sure your map includes google bike map in the legend in order to see how you can get there from Thornwood.
From there the trail connects to the Fox River Trail that goes from Algonquin to Aurora along the river.
Here are two more detailed maps from the Kane County Forest Preserve that show you how to access the nature center on the east side of the river.
If you are an avid cyclist and want to find out more about biking in Illinois I suggest you check out www.traillink.com to see the many wonderful trails that are available nearby.