Research
Articles
Evidence-based research on Ojos del Salado & the Puna 6Ks trekking. Every claim sourced.
Monte Pissis — The Forgotten Second-Highest Volcano
6,795m, entirely in Argentina. No refugios, no rescue, 48 years between first and second ascent. The Puna's most serious objective.
Ojos del Salado Complete Guide — Climbing the Highest Volcano on Earth
6,893m via the Chilean or Argentine route. Stage-by-stage breakdown, the summit chimney, refugio details, and why only 1 in 3 summit attempts succeed.
The World's Most Accessible Extreme Altitude — Catamarca's Puna 6Ks in 2026
Three 6,000m peaks, zero permit fees, 50% of Aconcagua's cost. The Puna de Atacama is the best altitude-per-dollar climbing on Earth, and almost no one is writing about it in English.
Volcan San Francisco — The Gateway 6K for $830
6,018m from the Paso de San Francisco highway. Inca summit ruins, one-day climb, and the best-value 6,000m peak on Earth.
When to Climb the Puna 6Ks — The Invierno Boliviano Trap
The November-March window, the January-February storm trap that English guides miss, and why December is the contrarian sweet spot.