From Ellicottville:
Follow 219 South to Great Valley. At the blinking light (there's only one) proceed straight ahead (County Rd 18, Humphrey Rd) for two miles to the stop sign. Make a left and a left again into the parking lot.
From Salamanca:
Follow 219 North. You will pass under a railroad bridge, Continue past McDonald road and take the next right hand road, Peth Road. Follow Peth Road 2 1/2 miles, you will see the farm on your left hand side following the intersection of Humphrey and Peth Roads. Don't worry if you miss the turn onto Peth Road, just continue North on 219 until you reach the blinker light in Great Valley and then make a right (County Rd 18, Humphrey Rd) . Follow Humphrey Rd for two miles until the stop sign. Make a left and a left again into the parking lot.