Leaving from the city of Monterrey, take highway Mexico 53 Monterrey - Monclova, Coahuila, crossing the municipalities of El Carmen, Abasolo, Hidalgo and Mina. At the 45.9 km marker, turn left and continue on dirt road for 3.5 km following the signs that lead to the parking lot of the Boca de Potrerillos Archeological Monument Zone.