LanĂn Volcano
Neuquén
LanĂn Volcano is a striking cone-shaped stratovolcano located on the border between Argentina and Chile, rising to 3,776 meters above sea level. It is part of the Pacific Ring of Fire and lies within two national parks: LanĂn National Park in Argentina and Villarrica National Park in Chile. Known for its iconic snow-capped peak and glaciers, LanĂn is a symbol of the NeuquĂ©n province, featured on its flag and anthem. The volcano's last eruption is estimated to have occurred around 1,600 years ago, with some seismic activity detected as recently as 2017. Its ascent is popular among mountaineers due to its relative technical simplicity, although it presents a higher exposure level compared to neighboring volcanoes. Climbers typically start from the north near Tromen Lake or the south near HuechulafquĂ©n Lake. The volcano holds cultural importance for the indigenous Mapuche people, who consider it a sacred site. The surrounding area features diverse landscapes, including lakes and forests, making it a destination for nature lovers and adventure seekers alike. The volcano's geological composition is notable for its bimodal volcanism and distinct mantle source regions compared to nearby volcanoes.
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Astuce: The best time to climb LanĂn Volcano is during the summer months when weather conditions are more favorable and snow cover is reduced. Due to its status as a protected area, ascents require permits regulated by Argentine National Parks and the Argentine National Gendarmerie. It is advisable to arrange permits and guide services in advance, especially during peak climbing season. Visitors should be prepared for cold, variable weather and high-altitude conditions. Nearby towns such as JunĂn de los Andes (Argentina) and PucĂłn (Chile) serve as common bases for expeditions. No specific ticket prices are mentioned, but discounts may be available for certain groups through official channels.
Faits intéressants
- •LanĂn Volcano is a prominent symbol on the flag and anthem of NeuquĂ©n province in Argentina.
- •It is part of the Pacific Ring of Fire and lies on the Atlantic-Pacific water divide of the Andes.
- •The volcano is culturally sacred to the Mapuche indigenous people, who consider it a unifying emblem and a sacred site.
- •LanĂn is the easternmost volcano in a chain that includes Villarrica and Quetrupillán volcanoes, aligned due to an underlying fault.
- •The volcano's last known eruption is estimated to have occurred about 1,600 years ago, with seismic activity detected in 2017.
- •Its glaciers on the northern face have almost completely melted since the 1980s due to climate change.
Histoire
LanĂn Volcano was first documented by Spanish explorer Basilio Villarino in 1782, who referred to it as Cerro Imperial.
Radiocarbon dating suggests its last eruption occurred approximately in 540 AD, with the most recent seismic activity recorded in 2017.
The volcano is situated on the Argentina-Chile border as defined by the 1881 treaty.
Over centuries, its glaciers have notably receded, especially on the northern face where they were visible until the 1980s but have since almost disappeared.
The volcano's geological foundation dates back to the Late Pliocene to Early Pleistocene epochs, with complex volcanic activity shaping its current form.
Guide du lieu
Northern Ascent Route
Starting near Tromen Lake at 1,200 meters altitude, this path offers a relatively straightforward climb with higher exposure, regulated by Argentine National Parks and the Argentine National Gendarmerie. It provides scenic views of the surrounding lakes and forests.
Southern Ascent Route
Beginning near Huechulafquén Lake, this route is another popular path to the summit, accessible via Provincial Route 61. It offers a different perspective of the volcano and its glaciers.
