Heritage Woods of McHenry, your affordable assisted living community located on West Crystal Lake Road, west of Hwy. 31, between Bull Valley Road and Hwy 120 (West Elm Street) in McHenry, Illinois. Nestled along the Fox River in the heart of McHenry County, McHenry is 46 miles northwest of downtown Chicago. Designed to serve adults 65 and older of all incomes who may need some help to maintain their independence, Heritage Woods of McHenry provides a wonderful alternative to a nursing home or to struggling alone at home, especially for those who cannot afford private pay assisted living.