What’s the Best Self-Guided Tour Route for Crossing the Argentina-Chile Border on a Budget?

From the vibrant town of Portillo in Chile, it’s just a scenic 30-minute journey to Las Cuevas, the historic border crossing between Chile and Argentina. This very path was once traversed by the legendary San Martin, who crossed the majestic Andes to liberate Chile.

What's the Best Self-Guided Tour Route for Crossing the Argentina-Chile Border on a Budget?
What’s the Best Self-Guided Tour Route for Crossing the Argentina-Chile Border on a Budget?