Arroyo Las Minas

Arroyo Las Minas is a river in the southwest area of the municipality of San Martín de Hidalgo in the Mexican state of Jalisco. The newly constructed San Jerónimo Dam impounds the river near the town of San Jerónimo.

The river flows from its source near the town of Quila, Jalisco northeastward toward the community of San Jerónimo where the residents would wash clothes on its banks. In San Jerónimo, the river meets with the Arroyo Los Laureles. From San Jerónimo, the river eastern turn to Santa Cruz de las Flores where it intersects with another river called el Río Grande, and both form to become the Río San Martín that heads out north and drains to the Ameca River.