From New York City:
New York State Thruway (I-87) to Exit 24; I-87 north (Adirondack Northway) to Exit 13N

From Boston:
Mass. Pike to New York State Thruway (I 90), north on Thruway to Exit 24; I-87 north to Exit 13N

From Western New York: 
East on New York State Thruway (I-90) to Exit 28; Rt. 30A to Rt. 29 east to Saratoga Springs

From Montreal:
I-87 south to Exit 15