Stand at a high‑altitude turquoise lake carved by glaciers and guarded by snow‑capped peaks. This full‑day excursion from Cusco combines a steep, 3‑hour round‑trip hike with cultural and geological insights into the Salkantay range.
More ways to explore the area's outdoor wonders
A thin blue rim appears beyond the ridgeline, then the trail pitches and the lagoon fills the valley — an impossible turquoise caught between knife-edged glaciers and serrated peaks. Humantay Lake sits above 4,200 meters (about 13,800 feet), a high-mountain bowl where meltwater from the Salkantay massif gathers and the wind writes the day's weather across the surface.
Difficulty
challenging
Duration
10–11 hours
Fitness Level
Good cardiovascular fitness and prior acclimatization recommended; able to manage steep climbs at high altitude
Wildlife
History
The lagoon lies within traditional Quechua lands and is associated locally with mountain deities; the basin itself was shaped by Pleistocene glaciers.
Conservation
High‑Andean ecosystems are fragile—stay on trails, avoid disturbing vegetation, and pack out all trash to protect water quality and wildlife.
Reserve your spot on the Full Day Excursion to Humantay Lagoon today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Acclimatize first
Spend 24–48 hours in Cusco to reduce altitude sickness risk; hydrate and avoid heavy exertion the day before the hike.
Pace for altitude
Take steady, slow steps uphill and use trekking poles to keep your breathing controlled on the steep sections.
Sun and glare protection
Bring a wide‑brim hat, high‑SPF sunscreen, and UV sunglasses — the sun is intense above 4,000 m.
Layer for wind and cold
Temperatures drop quickly near the lake; pack an insulated midlayer and a windproof shell to stay comfortable during breaks.
Sturdy hiking boots
Support and traction on rocky, sometimes muddy sections of the trail.
Insulated midlayer and windproof shell
Keeps you warm at the lake where wind and cold are common.
Trekking poles
Reduce strain on knees and help maintain a steady pace on steep ascents.
Sun protection and sunglasses
High‑altitude UV can cause sunburn and glare off the water and snow.