A high-altitude, full-day trek from Cusco to the glacier-fed Humantay Lagoon — a steep, short hike that rewards effort with an intense turquoise lake and sweeping views of the Salkantay massif. Learn what to expect, how to prepare, and local context for this popular day trip.
More ways to explore the area's outdoor wonders
Dawn in Cusco still tastes of cold air and diesel as the minivan threads the Andean highway toward Soraypampa. By midmorning the valley opens; wind scrubs the sky clean and the trail begins to climb through puna grass and scattered boulders. At the ridge the water appears — a jewel-blue mirror held beneath the white slope of the Humantay glacier, daring you closer.
Difficulty
moderate
Duration
12–14 hours
Fitness Level
Moderate cardiovascular fitness recommended — able to hike 1.5–2 hours uphill at high elevation and tolerate full-day travel.
Wildlife
History
The Humantay area sits along highland routes long used by Quechua communities and shepherds; the peaks are traditionally honored as apus in local cosmology.
Conservation
Glacial retreat has reduced runoff and altered lake levels; stay on established trails, pack out all waste and follow local guide instructions to reduce impact.
Reserve your spot on the Humantay Lagoon Full Day Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Acclimatize before you go
Spend 24–48 hours in Cusco or at similar elevation to reduce acute altitude effects; take it slow on the trail if you feel short of breath.
Hydrate and carry snacks
Bring at least 2–3 liters of water and high-energy snacks — the climb is strenuous and the body uses more oxygen at altitude.
Wear robust footwear
Expect steep, rocky sections and loose scree near the lake; ankle-supporting hiking boots with good tread are recommended.
Sun and weather protection
High-altitude UV is strong; bring sunscreen, sunglasses and a windproof shell for sudden cold or rain.
Sturdy hiking boots
Provides traction and ankle support on steep, rocky and sometimes loose terrain.
Insulating layers + windproof shell
Temperatures swing quickly; layers trap heat and a shell blocks cold winds and rain.
Sun protection (sunscreen, sunglasses, hat)
High-altitude UV can burn fast; protect skin and eyes during exposed stretches.
Water bottle or hydration bladder (2–3 L)
Continuous hydration reduces altitude symptoms and keeps energy steady on the climb.