Location and surroundings
Cerro Paramillo sits in Argentina, within the administrative area of the district of Jáchal and the region of San Juan. Part of the South American Interior Ranges, it belongs to the Pampa Mountains and the specific sub-range of the Valle Fertil Mountains. It ranks as the highest of 44 named peaks in the Valle Fertil Mountains. The surrounding landscape is characterized by arid terrain typical of the regional interior, featuring dry valleys and rugged ridges stretching across the district.
Neighbouring peaks
Several peaks and passes surround Cerro Paramillo in the immediate vicinity:
- Paramillo (peak), 2,290 m, 0.6 km E
- Asilan? (peak), 2,285 m, 2.8 km SE
- Colorado (peak), 2,315 m, 6.8 km N
- Cerro Colorado (peak), 2,347 m, 7.0 km N
- Cerro Asilán (peak), 1,325 m, 10.9 km E
- Mogote Amargado (peak), 1,681 m, 15.5 km N
- Mogote Pelado (peak), 1,155 m, 20.6 km NE
- Cerro Pan de Azúcar (peak), 1,110 m, 20.7 km E
The view from the summit
From the summit of Cerro Paramillo, wide views encompass the surrounding Valle Fertil Mountains and nearby elevations. Notable nearby heights within 25 km include:
- Mogote de Marambio, 1,970 m, 21.0 km SE
- Mogote Chumao Grande, 1,696 m, 21.9 km SE
- Cerro Negro, 1,692 m, 10.0 km E
- Mogote del Tero, 1,600 m, 24.3 km N
- Cerro Rincón Grande, 1,354 m, 23.6 km N
- Loma Negra, 1,277 m, 22.4 km NE
The range
Cerro Paramillo is part of the South American Interior Ranges, nested specifically within the Pampa Mountains and the Valle Fertil Mountains. The Valle Fertil Mountains contain 44 named peaks, and Cerro Paramillo is the high point of the entire range. Since it serves as the range high point, no other summits in the Valle Fertil Mountains exceed its elevation of 2,368 metres. The range itself forms a distinct geographical feature within the region of San Juan.
Climate and weather
Climate figures are estimates from NASA POWER climate data covering 2001 through 2020. At the summit of Cerro Paramillo, the mean temperature ranges from about 17 °C in the warmest month of January to about 5 °C in the coldest month of July. Monthly mean temperatures remain above freezing throughout the entire year, from January to December. Precipitation in the surrounding area totals about 300 mm a year, with January being the wettest month at about 60 mm and May the driest at about 5 mm. Typical weather hazards in this dry region include intense sun exposure, strong winds across exposed ridges, and sudden temperature shifts.
Best time to visit
The best time to visit Cerro Paramillo spans the months when temperatures are moderate and precipitation is low. Mean temperatures at the summit remain above freezing all year round, from January through December. However, drier months such as May offer lower precipitation levels compared to the wetter summer period around January, making them favorable for outdoor activities. Visitors should monitor local forecasts to avoid intense seasonal weather events common in the dry interior ranges of Argentina.
Nature and wildlife
The environment around Cerro Paramillo features arid mountain terrain typical of the San Juan region. Vegetation consists mainly of hardy desert shrubs, scrub, and drought-resistant grasses adapted to low annual rainfall of about 300 mm. Wildlife in this high-altitude dry climate includes resilient bird species, small mammals, and reptiles capable of surviving intense sun exposure and sparse water sources. The rugged landscape offers little shade, requiring visitors to prepare for exposed conditions across the rocky slopes.
Guides and organised ascents
For ascents in Argentina, visitors often turn to professional support structures and established organizations. The national mountain guide association is the Argentine Mountain Guides Association (Asociación Argentina de Guías de Montaña (AAGM)), which is an IFMGA/UIAGM member. The national alpine club and mountaineering federation is the Argentine Ski and Mountaineering Federation (Federación Argentina de Ski y Andinismo, FASA). Established guiding companies operating in Argentina include Inka Expediciones based in Mendoza and Grajales Expeditions also based in Mendoza. For mountain rescue emergencies, the national emergency number is 911, with mobile devices redirecting 112 to 911. Climbing certain major objectives like Aconcagua requires a paid permit from Aconcagua Provincial Park in Mendoza along with mandatory medical and rescue insurance.
Safety and preparation
The elevation and terrain of Cerro Paramillo demand careful preparation, sturdy footwear, and adequate provisions for an arid mountain environment. Climbers face sun exposure, dry conditions, and variable winds typical of the Valle Fertil Mountains. In the event of an emergency, the national mountain rescue number is 911, and 112 redirects to 911 on mobile phones. Travelers should carry sufficient gear to handle sudden weather shifts and ensure they have reliable communication devices before setting out into the remote district of Jáchal.
Interesting facts
Cerro Paramillo holds the distinct title of being the highest point of the Valle Fertil Mountains, outranking all 44 named peaks in that range. Situated in the region of San Juan, it reaches an exact elevation of 2,368 metres. Its closest neighboring peak is Paramillo, positioned just 0.6 km to the east at an elevation of 2,290 metres. The mountain represents a key topographical benchmark within the Pampa Mountains and the broader South American Interior Ranges.
FAQ
What is the elevation of Cerro Paramillo? Cerro Paramillo reaches an elevation of 2,368 metres.
Where is Cerro Paramillo located? It is located in Argentina, within the district of Jáchal in the region of San Juan.
Which mountain range does it belong to? It belongs to the South American Interior Ranges, the Pampa Mountains, and the Valle Fertil Mountains.
What is the rank of Cerro Paramillo in its range? It is the highest of 44 named peaks in the Valle Fertil Mountains.
What are the nearest peaks to Cerro Paramillo? The nearest peak is Paramillo at 2,290 m, located 0.6 km to the east.
Is there water on the way to Cerro Paramillo? There are no reliable natural water sources or huts along the dry ridges, so visitors must carry all necessary water. It is advisable to pack between 1.5 and 3 litres of water per person for a day trip, depending on seasonal heat and exertion levels.