Google Maps suggests this is drivable, but there is a gate that prevents access.

Pillsbury State Park Trail Map shows a 0.5 mile E-W Ridge Link Trail here. Also described on page 124 of AMC Southern NH Trail Guide.

Parking lot closed. A neighbor allows parkingand has a donation box.

Parking for hiking

Parking for 2 cars.

Good view of Greylock.

There's a walkway down to the Pinnacle Trail; concrete flanked by railings

Barrier here. Road is closed to the north.

GaiaGPS shows an old RR crossing about here, but it there is no right of way and no bridge

Spur to view of Cheshire Reservoir and Greylock