
The Portal de Potrerillos (Túnel del dique) frames the road tunnel entrance beside the Potrerillos reservoir against Andes ridgelines — strong leading lines, water reflections and seasonal snow. Shoot dawn or late afternoon for soft side light and mirrored reservoir surfaces; sunsets can backlight the tunnel mouth. Access via Ruta 7; there is informal parking near the dam and viewpoints. Weekends draw locals; winter brings snow and spring richer green contrasts. No formal entry fee but observe

The Portal de Potrerillos (Túnel del dique) frames the road tunnel entrance beside the Potrerillos reservoir against Andes ridgelines — strong leading lines, water reflections and seasonal snow. Shoot dawn or late afternoon for soft side light and mirrored reservoir surfaces; sunsets can backlight the tunnel mouth. Access via Ruta 7; there is informal parking near the dam and viewpoints. Weekends draw locals; winter brings snow and spring richer green contrasts. No formal entry fee but observe