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A visitor on the ridge of the Rainbow Mountain, arms out

Cusco · Peru

Rainbow Mountain

In short

Rainbow Mountain — Vinicunca — is a striped ridge at 5,200 m, three hours from Cusco. It is a long day: a pre-dawn start, an hour and a half of walking at altitude, and a summit higher than any European peak. Do it after Machu Picchu, never before.

The stripes are mineral: iron, copper and sulphur oxides in the sediment, exposed when the glacier that covered the ridge retreated in the last decade. That is also why nobody had heard of it before about 2015.

The altitude is the entire difficulty. The trailhead is already at 4,600 m and the summit is 5,200 — higher than Everest base camp on the Nepal side. There is no technical climbing, but there is no shortcut around needing several days at altitude first.

Days start between 3 and 4 am from Cusco, and the weather closes in by late morning, which is why the tours that promise a relaxed departure are the ones that arrive in cloud.

What Rainbow Mountain is known for

  • Vinicunca ridge at 5,200 m
  • The Red Valley, twenty minutes further and almost empty
  • Alpaca and llama herds on the walk in
  • A 3 am start from Cusco — non-negotiable for the weather
  • Horses available for most of the ascent

Practical detail

Altitude
5,200 m at the summit
When to do it
After several days at altitude, never on arrival
The day
3 am start, back in Cusco by 6 pm
Walking
1.5 hours up, non-technical but thin air

What a trip to Rainbow Mountain costs

Per person, including hotels, transfers and the guided days each trip lists. International flights are never included.

Frequently asked

How hard is Rainbow Mountain?

Non-technical but genuinely hard because of the altitude: the trailhead is at 4,600 m and the summit at 5,200 m. Anyone who has spent three or four days at Cusco altitude first manages it; anyone who has just landed does not.

When should you do Rainbow Mountain?

At the end of a Cusco trip, after Machu Picchu and the Sacred Valley have done the acclimatising. It is the highest thing you will do in Peru, so it should be the last.

What is the best time of year for Rainbow Mountain?

April to October, the dry season. In the wet months the last stretch turns to mud and the ridge is often in cloud by the time you reach it.