Cordón de Inacaliri: Driving the 5,395m mining track on the Chile-Bolivia border

Buckle up for Cordón de Inacaliri, a mind-blowing volcano straddling the Chile-Bolivia border! We're talking serious altitude here – topping out at a dizzying 5,395m (17,700ft)! This isn't your average Sunday drive. Originally hacked out for mining, it slices through one of Earth's harshest landscapes.

You'll be flirting with both the Bolivian province of Nor Lípez and Chile's Antofagasta Region. The adventure kicks off near Inacaliri, but forget precise GPS – the relentless Andean winds and ever-shifting scree mean the path is constantly morphing. This is raw, untamed territory where the road can get seriously "tippy" and bumpy, demanding a driver laser-focused on navigating every obstacle.

Forget smooth asphalt, this is a gnarly mix of gravel and unforgiving rock. Built for tough mining equipment, not comfort, the surface is in constant flux, thanks to relentless erosion. A 4x4 isn't just recommended, it's your lifeline. This climb demands nerves of steel, as the track clings to the volcano's slopes with zero guardrails. Always scout ahead – at this altitude, one wrong move – getting high-centered or losing traction on a tricky patch – can have major consequences.

The real kicker? The crippling lack of oxygen. At the summit, you're breathing roughly 40% less than at sea level, testing both your body and your engine's combustion. Altitude sickness hits most people hard above 2,500m, but up here at 5,395m, the risk of severe *soroche* (altitude sickness) is extreme. Even simple movements become a slog, and your heart rate will skyrocket. People with respiratory or heart issues and babies should absolutely skip this one. Driving demands razor-sharp focus, even when your brain feels like it's wading through molasses.

And a word on the weather: winter isn't messing around in the Central Andes. Your window of opportunity is slim – maybe mid-summer, if you're lucky. Even then, expect rapid shifts in weather, with snow possible at any time. High winds are a constant companion, and winter temperatures can plunge way below -20°C. Ice and snow can suddenly turn the rocky surface into a treacherous skating rink. Pack extra fuel, oxygen, and all the cold-weather survival gear you can fit. Trust me, you'll need it.