A high-altitude day hike from Cusco to Humantay Lagoon rewards travelers with an intense turquoise lake framed by Salkantay’s snowfields. This guide covers history, what to expect on the trail, and practical tips for a successful full-day excursion.
More ways to explore the area's outdoor wonders
Before sunrise the road out of Cusco narrows into high Andean valley, and the mountains start to show their teeth — ice-scored ridges and open sky. By the time the minibus reaches Soraypampa, the air is thin and cold; the lagoon’s turquoise face waits above, a sudden wound of color against gray moraine.
Difficulty
moderate
Duration
10–11 hours
Fitness Level
Moderate fitness; able to hike uphill on steep terrain at altitude for 1–3 hours
Wildlife
History
This basin was shaped by Pleistocene glaciers tied to the Salkantay massif; local Quechua people have long considered nearby peaks sacred and used the valleys for seasonal herding.
Conservation
High visitor numbers and fragile alpine vegetation make stick-to-trails and pack-out-waste important; many operators support local entrance fees that fund trail maintenance.
Reserve your spot on the Humantay Lagoon Full Day today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Acclimatize beforehand
Spend 1–2 days in Cusco or nearby elevations before the hike to reduce risk of altitude sickness.
Pace the climb
Walk slowly on the steep sections and use short breaks to regulate breathing at altitude.
Sun and wind protection
High UV and exposed ridgelines mean sunscreen, sunglasses, and a windproof layer are necessary.
Hydration and snacks
Carry at least 1.5–2 L of water and electrolyte snacks; stores are limited at Soraypampa.
Sturdy hiking boots
Provide ankle support and traction on loose scree and muddy sections.
Insulating midlayer and windproof shell
Cold, windy conditions at the lake require warm, light-protective layers.
Sun protection (sunglasses, SPF 30+ sunscreen)
High-altitude UV exposure is intense even on cloudy days.
Water bladder or bottles (1.5–2 L)
Hydration is crucial to help with altitude and sustained effort.