120 is the main east-west route through McHenry.

McHenry is a small community roughly 50 miles from Chicago.  The Fox River runs through the town and is the main attraction.  There is a proposed Riverwalk that will be completed along the river. 

 

You can catch it off I-94 north of Chicago, headed towards Milwaukee.

From Crystal Lake, head north on 31 to 120.

From Isalnd Lake, head north on River Road to 120, River road is off of 176.