Callahan State Park features 8 miles of hiking trails near Framingham, MA.
Take exit 12 (Framingham/Route 9) off of the Mass Pike and head East on Route 9. Follow the exit off of Route 9 for Edgell Road (also for Framingham State College). Take a left towards Sudbury on Edgell Road. After about 1.5 miles, take a left onto Belknap Road. Go straight through an intersection or two until you turn right onto Millwood Street. The entrance to the park is on your left across from the golf course - plenty of parking if you get there early enough.
http://www.tripleblaze.com/trail.php?c=3&i=95