LanínLanín at a Glance
About Lanín
Lanín is a conical stratovolcano on the border between Argentina and Chile, prominent in Neuquén Province in Argentina. Its summit reaches about 3,747 metres above sea level and it is the dominant peak within the surrounding national park.
The mountain is visited for mountaineering, skiing on its upper slopes and for the views from its summit cone. Routes are alpine in character and climbs commonly require glacier or snow travel and a multi-day approach from lower forests and lakes.
Lanín is a volcanic edifice formed in the Andes; there are no well-documented historical eruptions in recent recorded history. The peak and surrounding landscape have long been part of local indigenous and later national park use.
The volcano rises from forested Andean foothills within Lanín National Park, on the international boundary between Neuquén Province in Argentina and neighboring regions of Chile.
- Elevation and season: Summit elevation 3,747 metres, typically climbed in the austral summer (December to March) when conditions are most stable.
- Location note: Lies within Lanín National Park and straddles the border between Argentina and Chile, so approaches and permits vary by side.
Best Time to Visit Lanín
Southern summer (December-March) is the main climbing season; local conditions dictate final timing.
Weather & Climate near Lanín
Lanín's climate is classified as Tundra - Tundra climate with cold summers (peaking in January) and freezing winters (coldest in July). Temperatures range from -13°C to 8°C. Moderate rainfall (933 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Good | -5° - 8° | -5° | 17 mm | mostly sunny | 69% | 10.3 m/s | 2.9 extreme | 14.4h |
| February | Acceptable | -6° - 8° | -5° | 39 mm | mostly sunny | 68% | 9.3 m/s | 2.4 extreme | 13.4h |
| March | Acceptable | -7° - 6° | -8° | 68 mm | some cloud | 72% | 10.0 m/s | 1.6 very high | 12.2h |
| April | Poor | -10° - 2° | -12° | 79 mm | partly cloudy | 79% | 10.3 m/s | 0.8 moderate | 10.9h |
| May | Poor | -11° - -2° | -16° | 113 mm | partly cloudy | 85% | 12.0 m/s | 0.4 low | 9.8h |
| June | Poor | -13° - -5° | -20° | 140 mm | overcast | 90% | 11.7 m/s | 0.2 low | 9.3h |
| July | Poor | -13° - -6° | -20° | 145 mm | overcast | 90% | 12.0 m/s | 0.2 low | 9.5h |
| August | Poor | -13° - -5° | -19° | 118 mm | overcast | 86% | 11.1 m/s | 0.4 low | 10.5h |
| September | Poor | -12° - -3° | -17° | 77 mm | partly cloudy | 80% | 10.5 m/s | 0.9 moderate | 11.7h |
| October | Poor | -11° - 1° | -14° | 52 mm | partly cloudy | 78% | 10.2 m/s | 1.5 high | 13.0h |
| November | Acceptable | -9° - 4° | -10° | 52 mm | partly cloudy | 75% | 10.1 m/s | 2.1 extreme | 14.1h |
| December | Acceptable | -6° - 7° | -7° | 33 mm | some cloud | 72% | 10.4 m/s | 2.7 extreme | 14.7h |
How to Get to Lanín
Access from San Martín de los Andes or Junín de los Andes on the Argentine side; from Pucón on the Chilean side. Roads are paved to trailheads but mountain approaches typically require a 4x4 and local guides for climbing seasons.
Tips for Visiting Lanín
- If climbing is planned, register with local rangers and prepare for sudden weather shifts including snow at higher altitudes.
- The trail from the Chilean side (e.g., Junín de los Andes) is popular among mountaineers; arrange guides through local outfitting services.
- Photography is best in early morning light when glacier faces hold crisp shadow.