← Ecuador volcano climbing

Iliniza Norte 5,126 m · Sur 5,245 m

Climbing the Ilinizas

Twin summits south of Quito — one a rugged scramble, one a serious glacier climb. Iliniza Norte is Ecuador's classic acclimatization peak; Iliniza Sur is the real alpine test.

2 daysNorte: scramble · Sur: technicalASEGUIM guides
Iliniza Norte5,126 m · non-technical scramble
Iliniza Sur5,245 m · glaciated, technical
Trip length2 days (multi-day)
Mountain refugeNuevos Horizontes, 4,750 m
Base villageEl Chaupi
Guide ratio2 climbers : 1 guide (by law)
Best seasonDec–Jan & Jun–Sep
Best forAcclimatizing before Cotopaxi

Norte or Sur — which Iliniza is for you?

The Ilinizas are twin peaks south of Quito, the eroded remains of a single ancient volcano now split into two very different climbs. Iliniza Norte (5,126 m) is a non-technical scramble — steep, exposed in places (the famous 'Paso de la Muerte'), but no glacier and no ropes for a fit hiker. Iliniza Sur (5,245 m) is another animal entirely: a glaciated, technical alpine climb with steep ice that demands real mountaineering skill.

That contrast is exactly why the Ilinizas matter. Iliniza Norte is the single best acclimatization climb in Ecuador — the rung most successful climbers step on before Cotopaxi or Chimborazo. Climb Norte to test your legs at altitude; take on Sur when you're ready for ice and exposure.

Norte first — the acclimatization ladder

We see climbers rush straight to Cotopaxi and get turned around by altitude. Iliniza Norte fixes that. As a non-technical 5,100 m scramble it's the perfect proving ground: if you handle Norte well, you're ready for the big glaciated summits. We build it into almost every Cotopaxi and Chimborazo program for exactly this reason — it raises your summit odds more than any gym session can.

The climb, day by day

Your itinerary

Iliniza Norte (2-day scramble)

Day 1
El Chaupi → Nuevos Horizontes refuge

Drive to El Chaupi and hike up through páramo and vicuña country to the Nuevos Horizontes refuge (4,750 m). Skills review and an early night.

Day 2
Summit Iliniza Norte & descend

An early start for the scramble to the 5,126 m summit, including the exposed 'Paso de la Muerte' ridge with your guide. Summit views across to Cotopaxi, then descend and return to Quito.

Iliniza Sur (technical, for experienced climbers)

Day 1
Approach & glacier prep

To the refuge as above, with a focused session on ice technique, rope work and crampon skills for the glaciated south face.

Day 2
Glaciated summit push

A pre-dawn start onto the glacier — steep ice and real alpine terrain to the 5,245 m summit of Iliniza Sur, then a careful roped descent. A genuine step up from Cotopaxi in difficulty.

Where the Ilinizas sit on the acclimatization ladder

Iliniza Norte slots neatly between the day-hikes around Quito and the big glaciated volcanoes — the ideal next step before a summit attempt:

2,850 mQuito
4,200 mPasochoa
4,750 mRefuge
5,126 mIliniza Norte
5,897 mCotopaxi (next)

What's included

Included

  • ASEGUIM-certified mountain guide (2:1 ratio)
  • Technical gear for Sur: rope, crampons, ice axe, harness, helmet
  • Refuge night at Nuevos Horizontes
  • Private transport from Quito and all fees
  • Meals on the mountain

Not included

  • International flights and Quito hotels
  • Travel & mountain rescue insurance (required)
  • Personal clothing layers and sleeping bag
  • Guide gratuities

Gear & equipment

We provide (Sur)

  • Crampons & ice axe
  • Climbing harness & helmet
  • Ropes and hardware
  • Mountaineering boots

You bring

  • Sturdy hiking/mountain boots
  • Warm layers & waterproof shell
  • Headlamp + spare batteries
  • Gloves, hat & sun protection
  • Daypack (30 L)

Guides & safety

  • ASEGUIM-certified guides
  • Maximum 2 climbers per guide, by Ecuadorian law
  • Norte exposure (Paso de la Muerte) protected by the guide
  • Sur run as a roped, technical alpine climb

Before you climb

Ilinizas climbing FAQ

How hard is Iliniza Norte?

Iliniza Norte is a challenging but non-technical scramble — no glacier and no ropes for a fit hiker, though there's real exposure on the upper ridge (the 'Paso de la Muerte'), where your guide protects the moves. The main demand is altitude and steep, loose terrain. It's a big step up from a normal day hike, and a perfect one before Cotopaxi.

What's the difference between Iliniza Norte and Sur?

Norte (5,126 m) is a non-technical scramble; Sur (5,245 m) is a glaciated, technical alpine climb with steep ice that requires mountaineering experience and rope skills. Most people climb Norte as acclimatization; Sur is for experienced climbers wanting a serious challenge.

Is Iliniza Norte good acclimatization for Cotopaxi?

It's the best there is. At 5,126 m and non-technical, Iliniza Norte lets your body adapt to real altitude and tests your fitness without the glacier — exactly the preparation that raises your Cotopaxi and Chimborazo summit success.

Do I need experience to climb the Ilinizas?

For Norte, no prior mountaineering experience is required — just good hiking fitness and a head for some exposure. Iliniza Sur is different: it needs glacier and ice-climbing skills, which we can teach and build up to over a longer program.

How many days do you need for the Ilinizas?

We run the Ilinizas as a 2-day climb with a refuge night. Many climbers combine Iliniza Norte with a Cotopaxi or Chimborazo program as the acclimatization stage of a longer multi-day expedition.

When is the best time to climb the Ilinizas?

December–January and June–September offer the most stable conditions. Iliniza Sur's glacier is especially condition-dependent, so we watch the weather closely and will advise the best window for your dates.

Plan your ascent

Ready for the Ilinizas?

Whether you want Iliniza Norte as a standalone scramble, the technical challenge of Sur, or Norte as the warm-up before a bigger summit, tell us your dates and experience and we'll build the right climb.