The Salkantay Trek to Machu Picchu
The Salkantay — the most popular permit-free alternative to the Inca Trail. Its route under a glaciered peak, the Humantay Lake detour, altitude and season, lodges versus camping, and how it differs from the classic trail.
Photo: Ash Edmonds / Unsplash
- ✓Salkantay is the most popular alternative to the Inca Trail — usually four to five days, no permit required, bookable closer to your dates, and open in February when the Inca Trail is closed.
- ✓It climbs past the turquoise Humantay Lake to the Salkantay Pass at roughly 4,600 m, under the glaciered face of Nevado Salkantay — higher and more mountainous than the Inca Trail.
- ✓It descends dramatically from glacier to cloud forest and coffee country, then reaches Machu Picchu by train (or the Santa Teresa / Hidroeléctrica approach) rather than through the Sun Gate.
- ✓You can walk it camping or stay in fixed lodges; either way it trades Inca archaeology for raw, big-mountain scenery and far more flexible logistics.
The big-mountain alternative
When the Inca Trail's permits sell out — or when the idea of being rationed and booked months ahead loses its charm — most people's eyes turn to the Salkantay. It is the great alternative trek to Machu Picchu, and for many walkers the more spectacular journey of the two. Where the Inca Trail is about archaeology and the Sun Gate, Salkantay is about mountains: a glaciered 6,000-metre peak you walk beneath, a high pass slung between the giants, and a long, exhilarating descent from ice into jungle.
It also asks less of your planning and gives more freedom. There is no permit, so you can book it weeks rather than months out, choose camping or lodges, and walk it in February when the Inca Trail is shut. National Geographic once named it among the world's finest treks, and it earns the billing — but it earns it with altitude and effort, climbing higher than the Inca Trail ever does. It is romance of a wilder kind: glacier light, condors, and the slow unspooling of the Andes from snow to coffee farms.
At a glance
The essentials before you choose it. Altitudes and distances vary slightly by operator and itinerary; treat the figures as orientation and confirm specifics with your operator. Where Salkantay meets the citadel, the usual timed-entry, circuit-based ticket rules apply — verify the current system.
- Duration: commonly four to five days, ending at Machu Picchu.
- Permit: none required — a key difference from the Inca Trail; book weeks rather than months ahead.
- Highest point: the Salkantay Pass, around 4,600 m — higher than anything on the Inca Trail.
- Signature sights: turquoise Humantay Lake and the glaciered face of Nevado Salkantay.
- Open in February, when the Inca Trail closes for maintenance — verify.
- Reaches the citadel by train (or the Santa Teresa / Hidroeléctrica route), not through the Sun Gate.
- Style: camp or stay in fixed lodges, depending on the operator and your budget.
- Best season: the dry months, roughly May to September, though it runs year-round.
The route, day by day
Itineraries differ, but the classic Salkantay arc is unmistakable: climb high under the glacier, cross the great pass, then descend for days through ever-warmer country to the railway and the citadel. The first day or two ascend from the trailhead beyond Mollepata toward the high camps, often with a side hike up to Humantay Lake — a glacier-fed pool of astonishing turquoise beneath hanging ice, and a highlight in its own right.
The crux is the Salkantay Pass at around 4,600 m, walked beneath the snow-and-ice pyramid of Nevado Salkantay. From there the trek transforms: the long descent drops you out of the alpine zone into cloud forest and then subtropical valleys of coffee, fruit and birdsong, a change of world in a single day. The final stretch typically reaches Aguas Calientes by train from Hidroeléctrica or via Santa Teresa, with the citadel visited the following morning on the standard timed ticket.
- Days 1–2: ascend from the Mollepata side toward the high camps, often with the Humantay Lake side hike.
- Crux: cross the Salkantay Pass (~4,600 m) beneath Nevado Salkantay.
- Descent: from glacier into cloud forest and coffee country over the following days.
- Finish: reach Aguas Calientes by train (Hidroeléctrica) or via Santa Teresa, then the citadel next morning.
Humantay Lake — the trek's turquoise jewel
If one image sells the Salkantay, it is Humantay Lake: a glacier-fed tarn of vivid milky turquoise cradled beneath the hanging ice of Nevado Humantay, ringed by moraine and silence. It sits at around 4,200 m, reached on a steep but short climb usually tackled on the trek's first or second day, and for many walkers it is the emotional high point — a place to stand breathless, in both senses, with the mountains reflected in still water.
Humantay is so striking that it is also sold as a standalone day trip from Cusco, which is worth knowing: if you are not trekking but want a taste of this landscape, you can see it in a day. On the trek, though, it comes as part of the slow build toward the great pass — earned, not bussed to — which gives it a weight the day-trip version cannot quite match.
Altitude and difficulty — respect the pass
Salkantay is a serious high-altitude trek and, in pure altitude terms, harder than the Inca Trail: its pass tops out higher than Dead Woman's Pass, and the air at 4,600 m is thin enough to slow anyone. The walking itself is long rather than technical — sustained climbs and a knee-testing descent — but the height demands respect. Acclimatization is not a nicety here; it is the difference between a magnificent day and a miserable one.
Do the obvious things: spend at least two or three nights at altitude in Cusco or the Sacred Valley before you start, hydrate hard, ease off alcohol early, and walk the pass slowly and steadily. Good operators acclimatize the group, carry oxygen and watch for altitude sickness. The reward for the effort is one of the great mountain crossings of the Andes — but it is a mountain, and it should be treated like one.
Lodges or camping?
Salkantay is unusual among the treks in offering a genuine comfort spectrum. The classic version is camped — tents carried and pitched for you, meals cooked at camp, the full expedition experience at a lower price point. But the route is also served by a string of fixed mountain lodges, and the premium 'lodge-to-lodge' version lets you walk all day and arrive each evening to a warm room, a hot shower, a proper bed and often a hot tub under the stars. It is the same trail and the same glaciers, very different nights.
Which to choose comes down to budget and temperament. Camping is cheaper, more communal and closer to the mountain; lodges are far more comfortable, warmer at altitude, and a strong choice for honeymooners or anyone who wants the scenery without sleeping on the ground. Both reach the same pass and the same citadel; only the evenings differ.
- Camping: lower cost, full expedition feel, tents and meals handled by the crew.
- Lodge-to-lodge: warm rooms, hot showers, sometimes hot tubs — a premium, comfort-first option.
- Same trail, same pass, same citadel finish — the difference is where you sleep.
How Salkantay differs from the Inca Trail
The two routes answer different wishes. The Inca Trail is archaeology and ceremony — original paving, hidden ruins, and the Sun Gate arrival into the citadel from above — but it is rationed, guided, capped by permit, and closed in February. Salkantay is wilderness and freedom: higher, more mountainous, no permit, bookable late, open year-round, with the comfort of lodges if you want them. What Salkantay does not give you is the on-foot entrance through Inti Punku, because it reaches the citadel by train rather than over the final Inca road.
So the honest framing is this. Walk the Inca Trail for the Inca; walk Salkantay for the Andes. If your imagination is fixed on stepping through the Sun Gate at dawn, only the Inca Trail delivers it. If it is fixed on a glacier and a turquoise lake and the long descent into coffee country — and on not having to book a year ahead — Salkantay is your trek. Our side-by-side guide takes the comparison further.
Common questions
Is Salkantay harder than the Inca Trail? In altitude terms, yes — its pass is higher. In total distance and underfoot variety the two are comparable. Either way, acclimatization matters more than raw fitness.
Do I need a permit? No. That is one of Salkantay's main attractions: no capped permit, so you can book closer to your dates and walk it even in February when the Inca Trail is closed.
Do I arrive at the Sun Gate? No — that on-foot entrance belongs to the Inca Trail. Salkantay reaches the citadel by train via Hidroeléctrica or Santa Teresa, with the visit usually the next morning on a standard timed ticket.
Can I see Humantay Lake without the full trek? Yes — it is also sold as a day trip from Cusco, though seeing it as part of the trek gives it more meaning.

