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Cerro Bonete
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Cerro Bonete Chico is the fourth highest mountain in South America, reaching 6,759 meters, located in the province of La Rioja in one of the most isolated regions of the Andes. It is part of the volcanic circle of the Puna de Atacama and is a massive, multi-peaked mountain composed largely of volcanic rock. Although its name suggests something 'small,' it is a silent giant, situated near the Monte Pissis complex. The region is characterized by extreme aridity, strong winds, and an almost lunar landscape, with colorful lagoons at its base where flamingos can be seen. Due to its isolation and logistical difficulties, it was one of the last great mountains of the Andes to be explored in detail and accurately measured by GPS.
- Location: Argentina
- Top sights: Peñas Azules · Cerro Bonete Chico
📋 Practical info
Getting there
Reaching this remote and extreme altitude requires proper 4x4 vehicles traveling via provincial roads in La Rioja, often starting from Vinchina. Expeditions demand significant logistical planning and usually require navigating vast, desolate, unpaved high-desert expanses.
Best season
Ascents are strictly limited to the short summer window between late November and March to avoid lethal winter storms. Even during summer, climbers must anticipate freezing temperatures, sudden blizzards, and relentless high winds.
Terrain & paths
The environment is an extreme high-altitude desert characterized by volcanic scree, massive boulders, and vast snow or ice fields near the summit. There are no marked trails, and the staggering elevation makes every physical step exceptionally exhausting.
What to bring
Professional high-altitude mountaineering equipment is absolutely mandatory, including crampons, ice axes, heavily insulated clothing, and a four-season tent. Expeditions must carry complete survival gear, communication devices, and all necessary oxygen or acclimatization supplies.
Parking
Vehicles are left at highly remote, unstructured base camp locations established by guided expedition teams in the desolate caldera. These spots offer absolutely no services and require complete self-sufficiency for the entire duration of the climb.
Safety
Altitude sickness (AMS), extreme cold, and severe weather changes are life-threatening risks on this massive peak. Independent climbs are strongly discouraged; hiring professional local guides and undergoing proper, lengthy acclimatization are essential.
Time needed
A successful expedition to the summit and back typically takes between ten days and two weeks, primarily due to acclimatization needs. This is a major mountaineering endeavor, not a casual hike, demanding significant time, patience, and physical preparation.
Geography
Facts
- The official height is 6,759 meters above sea level.
- Located in the northwest of La Rioja province.
- It is the fourth highest peak in the Western and Southern Hemispheres.
- The name 'Bonete' refers to the cap-like shape of the summit.
- The first documented ascent was in 1913 by geologist Walther Penck.
- Part of the protected area of the Laguna Brava Provincial Reserve.
- Hosts small high-altitude glaciers on its southern slopes.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
Vehicle
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© OpenStreetMap contributors · OpenRouteService
Sights in the town Cerro Bonete (2)
Sights nearby
Frequently asked questions
How high is the Cerro Bonete?
It is one of the highest peaks in America, over 6,700 meters.
Is the climb dangerous?
The greatest danger is the enormous altitude and the cold, not the technical steepness.
Do I need special equipment?
Yes, expedition gear for extreme cold is absolutely necessary.
How long does a climb take?
With the necessary acclimatization, you should plan for 10 to 14 days.
Are there guided tours?
Yes, local agencies in La Rioja offer organized expeditions.
Cerro Bonete: where is it located?
Cerro Bonete is located in Argentina.
Cerro Bonete: what is there to see?
Highlights include Peñas Azules, Cerro Bonete Chico.
Cerro Bonete: why is it worth visiting?
Cerro Bonete Chico is the fourth highest mountain in South America, reaching 6,759 meters, located in the province of La Rioja in one of the most isolated regions of the Andes.
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