From the north on Route 88 (Library Rd): Take Corrigan Dr south for 1.1 miles. At the traffic circle on Corrigan Dr, go east on Stone Manse Dr for 75 yards. Bear left onto E. Park Drive for 50 yards to the entrance to the Grant shelter on the left. Marked on the map with a purple triangle.
 
From the south on Route 88: Turn Right on Brownsville Rd Ext and go for 2.0 miles. Then continue on Brownville Rd for 1.3 miles. Turn Left onto Corrigan Dr and go for 1.1 miles to the traffic circle. At the traffic circle on Corrigan Dr, go east on Stone Manse Dr for 75 yards. Bear left onto E. Park Drive for 50 yards to the entrance to the Grant shelter on the left. Marked on the map with a purple triangle.

From the east on Route 51: Take Curry Hollow Rd west for 1.3 miles; contiue on Brownville Rd for 0.3 miles and make a slight Right onto Broughton Rd. Go 0.9 miles on Broughton and turn Left onto Linhart Dr. Go 0.3 miles on Linhart and make a sharp Right onto E. Park Dr. Stay Left on E. Park for 1.1 miles to the Grant Shelter on the right. Marked on the map with a purple triangle.

Here is a Google maps link to the entrance to the Grant Shelter.

The GPS coordinates of the entrance are 40.320492 N, 80.007167 W