Plan Your Aconcagua Hike

Aconcagua rises 6,961 m (22,838 ft) in Mendoza Province, Argentina, in the Andes near the Chilean border , the highest peak in the Americas and outside Asia.

Difficulty Best season Plan for

Challenging alpine hiking Late spring to early autumn Full day or multi-day

Permits & access

Most visits to Aconcagua involve trail access rules, possible park or climbing fees, and good mountain prep. Confirm current requirements on mendoza.gov.ar before you go.

Check first

Aconcagua access & permits

Some routes around Aconcagua need park entry, timed reservations, or climbing permits. Rules change by season.

Always verify with the managing park or authority for your dates.

mendoza.gov.ar: official info

Trail day

Day hikes & route choice

Pick a route that matches your fitness and conditions. Summit days fill quickly; have a shorter fallback if weather turns.

Start early and know turnaround times.

mendoza.gov.ar: trails

Safety

Guides, weather & gear

High routes may require a licensed guide, glacier gear, or hut bookings. Mountain weather can close trails without much notice.

Carry layers, navigation, and a plan B.

mendoza.gov.ar: conditions

Why hike Aconcagua

Aconcagua rises 6,961 m (22,838 ft) in Mendoza Province, Argentina, in the Andes near the Chilean border , the highest peak in the Americas and outside Asia.

Why hike Aconcagua

Within Aconcagua Provincial Park, trekkers pass through the Horcones Valley to base camps like Plaza de Mulas and Plaza Argentina en route to the summit.

Why hike Aconcagua

It's a major goal for high-altitude mountaineers and a scenic multi-day trek even for those not summiting.

Safety & prep

Weather windows

Conditions around Aconcagua change fast. Check a mountain forecast the morning you hike.

Start early

Long approaches and busy summit routes are safer and quieter with a dawn start.

Leave no trace

Stay on marked trails, pack out waste, and respect local access rules and wildlife.

Trail conditions, permits, and weather change. Confirm details on mendoza.gov.ar before you go.

The route

Plaza de Mulas

Main base camp on the normal route.

Horcones Valley approach

Trail entry from the park gate.

Confluencia camp

Early acclimatization camp on the approach.

Normal route views

High Andean scenery toward the summit pyramid.

Park entrance (Puente del Inca area)

Gateway services and permits region.

Mendoza staging

City base before transferring to the mountain.

Getting to Aconcagua

Aconcagua, Argentina, Argentina, Argentina

Aconcagua is reached from the gateway area around Argentina.
Check trail conditions, weather, and any permit requirements before you start.
Start early on long summit days and carry layers, water, and navigation.
Cell service is often limited on the mountain; download maps offline.

FAQ

Do I need a permit to hike Aconcagua?

Requirements vary by season and route. Check mendoza.gov.ar before you go.

When is the best time to hike?

Late spring through early autumn is usually best; winter often needs mountaineering skills.

How hard is it?

Expect strenuous elevation gain on summit routes. Lower valley walks are more accessible.

Do I need a guide?

Independent hiking is common on marked day trails; technical or high-altitude routes may require a licensed guide.

What should I pack?

Sturdy boots, layers, waterproofs, water, food, sun protection, and offline maps.

Is it suitable for beginners?

Some lower trails are beginner-friendly; summit routes usually need fitness and mountain experience.

About Aconcagua

Aconcagua rises 6,961 m (22,838 ft) in Mendoza Province, Argentina, in the Andes near the Chilean border , the highest peak in the Americas and outside Asia.

Within Aconcagua Provincial Park, trekkers pass through the Horcones Valley to base camps like Plaza de Mulas and Plaza Argentina en route to the summit. It's a major goal for high-altitude mountaineers and a scenic multi-day trek even for those not summiting.