To Visitor Center from the North, Rte. 2: Take MA Rte. 2 to Williamstown rotary. At rotary bear onto US Rte. 7 south. Continue for 13.7 miles through New Ashford into Lanesborough. At the brown Mount Greylock sign turn left onto North Main Street. Follow the brown lead-in signs 1.5 miles to the Visitor Center. Driving distance from Visitor Center to summit is 8 miles.

Access to Mount Greylock from North Adams, Rte. 2: On MA Rte. 2; heading west from downtown North Adams 1.2 miles on the left, or heading east from Williamstown 3.7 miles on the left, turn onto Notch Road and follow brown lead-in signs 2.5 miles to park entrance. Driving distance from Rte. 2 to summit is 8.5 miles.

To Greylock Glen, Adams from Rte. 8, Adams (01220): From points north or south on MA Rte. 8 in downtown Adams, at William McKinley statue, turn onto Maple Street and follow to end. Turn left on to West Rd. and continue for 0.8 miles. Turn right onto Gould Rd. and continue uphill. Turn left at intersection continue on Gould Rd., trailhead parking and information kiosk is on right. Note that there are other trailheads available in this vicinity, see Greylock Glen map.

To Haley Farm trailhead, 1136 Hopper Rd. Williamstown (01267): Follow MA Rte. 43; east from US Rte. 7 in South Williamstown for 2.3 miles, or west from MA Rte. 2 in Williamstown 2.4 miles. Turn left onto Hopper Rd. and follow 2.1 miles (road becomes dirt) to Haley Farm, trailhead parking and information kiosk. Follow Money Brook Trail to Hopper Trail. Limited staffing is available from May-October.