http://gurucomputers.ca/about Starhill Forest is located seven miles southeast of Petersburg in southern Menard County, Illinois, 40 miles east of the Illinois College campus and 15 miles northwest of Springfield.
http://pratergroup.co.uk/?p=537
The location is very rural, so a GPS comes in handy when visiting for the first time! Look for the sign with the Starhill logo.
12000 Boy Scout Trail, Petersburg, Illinois 62675
GPS Location — North 39°56.1′ / West 89°48.1′
Mean Elevation — 560 feet (180m) MSL
Topographic Relief — Approximately 80 feet (25m)