Reach one of the Andes’ brightest high-altitude lakes on a full-day hike from Cusco. This practical guide outlines what to expect on the steep 1.8 km climb, altitude considerations, and the logistics of a long but rewarding day to Humantay Lake.
More ways to explore the area's outdoor wonders
Morning light arrives over the high Andes as a convoy leaves Cusco before dawn, the road unfurling toward the Salkantay massif. By the time the bus pulls into Soraypampa the air is thin and sharp; the trail climbs immediately, a steady ascent of switchbacks through puna grasses and broken moraine until the lake opens like a bright coin beneath the glacier.
Difficulty
moderate
Duration
10–13 hours
Fitness Level
Good aerobic fitness and comfort hiking on steep, rocky trails at high altitude; prior acclimatization recommended
Wildlife
History
The lake sits within a landscape long held sacred by Quechua communities; high Andean lakes were historically offerings sites and remain culturally significant.
Conservation
High-altitude ecosystems are fragile—stick to trails, avoid leaving waste, and support local guides who practice low-impact tourism.
Reserve your spot on the Humantay Lake Full Day Tour today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Acclimatize first
Spend 1–2 days in Cusco (3,400 m) to reduce altitude sickness risk before attempting the 4,200 m Humantay hike.
Pace the ascent
Keep a steady, conservative pace uphill and take short rests—oxygen is thinner and the trail is steep in sections.
Sun and wind protection
High-altitude UV is strong; bring sunglasses, SPF 30+ sunscreen, and a windproof shell.
Hydrate and snack
Carry at least 1–1.5 liters of water and salty snacks to maintain energy and help with altitude symptoms.
Sturdy hiking boots
Firm ankle support and good tread help on rocky, uneven ascent and descent.
Insulating midlayer and windproof shell
Temperatures can swing rapidly—layers trap heat and block wind at 4,200 m.
Sunscreen and sunglasses
Strong UV at altitude makes sun protection non-negotiable.
summer
Trekking poles
Poles reduce knee strain on steep sections and help maintain balance on loose scree.