Humantay Lake is one of the most popular natural attractions in Cusco. Its turquoise-green waters, surrounded by mountains and snow-capped peaks, have made it one of the most popular day trips from the city.
But there is something that most photographs do not show: the hike takes place at elevations above 3,800 meters (12,467 ft), reaching approximately 4,200 meters (13,780 ft) at the lake.
That is why, before booking a Humantay Lake tour, it is important to understand the altitude, hiking distance, difficulty, and how to prepare for the possibility of altitude sickness.
In this guide, you will find updated information to help you plan your visit in 2026.
Where is Humantay Lake?
Humantay Lake is located in the community of Soraypampa, Mollepata District, Anta Province, Cusco Region, at the foot of Humantay Mountain.
According to Peru’s official MINCETUR tourism inventory, the lake is located at approximately 4,200 meters (13,780 ft) above sea level and is classified as a natural body of water. (consultasenlinea.mincetur.gob.pe)
From Cusco, the tourist route passes through Mollepata and Soraypampa before reaching the trailhead. PROMPERÚ indicates an approximate distance of 109 km (68 miles) from Cusco and around 3 hours and 20 minutes by car to the access area, although actual travel time can vary depending on transportation, road conditions, and stops. (repositorio.promperu.gob.pe)
The lake sits below Humantay Mountain and is also part of the Salkantay Trek to Machu Picchu.
Why is Humantay Lake turquoise?
The color of the lake can vary depending on lighting, weather, and water conditions.
According to MINCETUR’s official tourism inventory, its coloration is associated with the clarity of the water, the presence of green microalgae, and the reflection of the sky and solar radiation. (consultasenlinea.mincetur.gob.pe)
PROMPERÚ also describes Humantay Lake as being formed by water from the melting snow and ice of Humantay Mountain and highlights its characteristic green-turquoise color. (target2.promperu.gob.pe)
For this reason, do not expect the lake to have exactly the same shade as the photographs you see online every day. Its appearance can change with weather and lighting conditions.
How high is Humantay Lake?
This is one of the most important questions to answer before doing the hike.
Humantay Lake is approximately 4,200 meters (13,780 ft) above sea level, according to MINCETUR. (consultasenlinea.mincetur.gob.pe)
The trail begins at Soraypampa, which is already at a considerable elevation.
As a reference:
- Cusco: approximately 3,350–3,400 m (10,990–11,155 ft)
- Soraypampa: approximately 3,800–3,900 m (12,467–12,795 ft)
- Humantay Lake: approximately 4,200 m (13,780 ft)
A study available through Peru’s Ministry of Culture repository places the lake at approximately 4,270 m (14,009 ft), so figures can vary slightly depending on the exact point and measurement used. (machupicchu.gob.pe)
For a travel guide, 4,200 m (13,780 ft) is the official MINCETUR reference and a practical figure for planning your trip.
Why does altitude matter?
You do not need to be a mountaineer to feel the effects of high altitude.
Above approximately 2,450 m (8,038 ft), travelers who are not acclimatized are at risk of altitude illness, and the risk increases with elevation and the rate of ascent. Physical fitness alone does not eliminate this risk. (cdc.gov)
That is why Humantay should not be treated like an ordinary short hike.
How difficult is the Humantay Lake hike?
The hike to Humantay Lake is generally considered moderate to challenging, mainly because of the altitude and steep sections of the trail.
It is not a technical trek. You normally do not need climbing skills or specialized high-altitude mountaineering equipment. However, you should be prepared to walk on uneven terrain and climb to approximately 4,200 m (13,780 ft).
The difficulty mainly depends on three factors:
- Altitude: the biggest challenge for many travelers.
- Elevation gain: much of the route is uphill.
- Acclimatization: someone who is already accustomed to high altitude may experience the hike very differently from someone who has just arrived from sea level.
For this reason, physical fitness alone is not a reliable way to predict how you will feel.
Someone who regularly runs or exercises may still struggle with altitude, while another traveler with less training may tolerate the hike better if they are properly acclimatized.
At Humantay, altitude can be more important than distance.
How far do you hike to Humantay Lake?
PROMPERÚ indicates approximately 3 km (1.9 miles) on foot from Soraypampa to Humantay Lake, with an estimated hiking time of around 1 hour and 30 minutes. (repositorio.promperu.gob.pe)
However, the actual time is not the same for everyone.
Your pace, the trail conditions, elevation gain, and acclimatization can all affect how long the hike takes.
A practical reference is:
- Distance: approximately 3 km (1.9 miles).
- Ascent: around 1 hour 30 minutes according to PROMPERÚ.
- Descent: generally faster, although this depends on trail conditions and pace.
- Difficulty: moderate to challenging because of the altitude.
The goal is not to be the first person to reach the lake.
If you need to stop and catch your breath, take a break. At more than 4,000 meters, maintaining a comfortable and sustainable pace is much more sensible than trying to walk quickly to keep up with the group.
What is a typical Humantay Lake day tour like?
A typical Humantay Lake day tour starts very early in the morning.
Although the exact schedule depends on the tour operator and your pickup location, a typical itinerary may include:
- Hotel pickup in Cusco.
- Drive toward Mollepata.
- Breakfast stop, depending on the tour.
- Continue toward Soraypampa.
- Start the hike to Humantay Lake.
- Time to rest, enjoy the scenery, and take photographs.
- Hike back down to Soraypampa.
- Lunch, depending on the tour package.
- Return to Cusco.
PROMPERÚ confirms that Humantay Lake can be visited as a full-day excursion from Cusco. (repositorio.promperu.gob.pe)
How long does the entire tour take?
It is important to distinguish between the hiking time and the total tour duration.
The hike itself is relatively short, but the full excursion takes most of the day because of the drive between Cusco, Mollepata, and Soraypampa.
For travelers with limited time in Cusco, Humantay can therefore work well as a full-day excursion.
Altitude sickness at Humantay: symptoms and how to prepare
Altitude sickness, also known as acute mountain sickness (AMS), can occur when someone ascends quickly to an elevation where their body has not had enough time to acclimatize.
Common symptoms include:
- Headache.
- Dizziness.
- Fatigue.
- Nausea.
- Loss of appetite.
- In some cases, vomiting.
Symptoms commonly develop after ascent and can begin within several hours of reaching a higher elevation. (cdc.gov)
How can you reduce the risk?
The main strategy is to ascend gradually and allow your body time to acclimatize.
If you have just arrived from a low-altitude destination, it is not a good idea to assume that you can immediately hike to 4,200 m (13,780 ft) without difficulty.
Current CDC recommendations emphasize gradual ascent and recommend adding acclimatization time when possible. At elevations above 3,000 m (9,843 ft), the CDC recommends limiting increases in sleeping altitude and allowing additional time for acclimatization. (cdc.gov)
For a trip to Cusco:
- Allow yourself time to acclimatize before doing the Humantay hike.
- Avoid alcohol during the first 48 hours at high altitude.
- Avoid excessive physical exertion during your first days at altitude.
- Walk at a comfortable pace.
- Do not ignore symptoms.
- Tell your guide immediately if you start feeling unwell.
When should you stop?
If your symptoms are significant or getting worse, do not try to “push through” just to reach the lake.
Medical guidance recommends not continuing to ascend when experiencing symptoms of altitude sickness and descending if symptoms worsen. (cdc.gov)
Signs such as confusion, altered mental status, severe difficulty breathing, or loss of coordination require urgent medical attention and descent. (cdc.gov)
Important: This information is for general travel planning and does not replace medical advice. If you have a medical condition that could be affected by high altitude, consult a healthcare professional before traveling.
What is the best time to visit Humantay Lake?
Tours from Cusco usually leave very early because several hours of transportation are required before reaching Soraypampa.
Leaving early can help you make the most of the day and avoid some of the heaviest visitor concentrations.
However, there is no universal time when the lake will always be empty or have exactly the same color.
Mountain weather can change quickly, and the appearance of the water also depends on sunlight and atmospheric conditions.
For this reason, the best approach is to start early and be prepared for sunshine, cold temperatures, wind, and rain.
What should you bring to Humantay Lake?
Weather conditions can change quickly in the Andes, so dressing in layers is the most practical approach.
Recommended packing list
- Waterproof jacket or windbreaker.
- Thermal layers for the early morning.
- Hiking shoes or boots with good traction.
- Sunscreen.
- Sunglasses.
- Hat or cap.
- Gloves.
- Water.
- Energy snacks.
- Trekking poles, if you are comfortable using them.
- Camera or phone with enough battery.
- Cash in Peruvian soles.
PROMPERÚ recommends comfortable footwear, waterproof clothing, sunscreen, and a hat for adventure activities in the area. (target2.promperu.gob.pe)
Do I need hiking boots?
You do not necessarily need heavy-duty high-altitude boots.
What matters most is wearing comfortable, closed footwear with good traction, especially because parts of the trail can become wet or slippery.
How much does Humantay Lake cost and what does a tour include?
It is important to distinguish between the entrance fee to the lake and the price of a full-day tour from Cusco.
The MINCETUR tourism inventory currently available lists a reference fee of S/ 10 for foreign visitors, S/ 5 for Peruvian nationals, and free admission for local residents with a DNI, but that record contains information registered in 2022 and should not be presented as a confirmed 2026 price. (consultasenlinea.mincetur.gob.pe)
For that reason, we recommend confirming the current entrance fee before traveling, especially since different commercial sources currently publish different figures.
The price of a tour depends on factors such as:
- Tourist transportation.
- Professional guide.
- Breakfast.
- Lunch.
- Group size.
- Private or shared service.
- Additional equipment.
- Whether the entrance fee is included.
What should you ask before booking?
Before paying for a tour, confirm:
Is the Humantay Lake entrance fee included in the price?
Tour operators do not always structure their packages in exactly the same way.
You should also ask what type of transportation is provided, which meals are included, and what kind of assistance is available during the hike.
What is the best time of year to visit Humantay Lake?
Humantay Lake can be visited year-round, but weather conditions vary considerably throughout the year.
MINCETUR indicates that December through April generally has wetter conditions, while May through November tends to have colder conditions with more daytime sunshine. (consultasenlinea.mincetur.gob.pe)
Dry season: May to November
This period generally offers better chances of clear conditions and good visibility, although mornings can be quite cold.
Rainy season: December to April
You may encounter rain, clouds, and wetter trails. This does not mean Humantay cannot be visited: there can still be clear days, but conditions are less predictable.
If your priority is a greater chance of dry weather and clear mountain views, the dry season is generally a practical choice.
Humantay Lake vs. Rainbow Mountain: Which is more difficult?
Both excursions take place at high altitude, but they are quite different experiences.
Humantay Lake
- Maximum elevation: approximately 4,200 m (13,780 ft).
- Landscape: glacial lake, mountains, and snow-capped peaks.
- Hike: approximately 3 km (1.9 miles) from Soraypampa.
- Main challenge: altitude and uphill sections.
Vinicunca (Rainbow Mountain)
- Elevation: approximately 5,000 m (16,404 ft), depending on the route and exact point considered.
- Landscape: colorful geological formations.
- Main challenge: significantly higher altitude and physical exertion.
Because of the difference in elevation, Vinicunca reaches a significantly higher altitude than Humantay Lake.
If you plan to visit both during your trip, organize your itinerary around your acclimatization rather than simply comparing the hiking distances.
Tips for visiting Humantay Lake
1. Do not underestimate the altitude
The hike may look short on a map, but it ends at approximately 4,200 m (13,780 ft).
2. Acclimatize first
If you are traveling directly from a low-altitude location, give your body time to adjust before attempting this hike.
3. Do not rush
Walk slowly and maintain a pace that you can sustain.
4. Listen to your body
Headaches, dizziness, or nausea are not symptoms you should ignore just to reach the lake.
5. Dress for changing conditions
You may start the morning in freezing temperatures and later experience strong sunshine.
6. Carry some cash
It is useful to have Peruvian soles available for expenses during the excursion and possible local payments.
7. Do not rely only on the weather forecast
Mountain conditions can change quickly.
8. Respect the environment
Do not leave trash behind, avoid unnecessary off-trail walking, and follow the instructions of local authorities and your guide.
Is Humantay Lake worth visiting?
Humantay Lake combines a relatively short high-altitude hike with one of the best-known natural landscapes in the Cusco region.
Its main challenge is not covering a long distance, but walking at high altitude.
If you arrive properly acclimatized, bring the right equipment, and respect your own pace, you can enjoy the experience much more.
At Machupicchu Luna Tours, we organize Humantay Lake tours with transportation, professional guides, and route planning, adjusting the group’s pace to the conditions of the hike.
If you are planning your trip to Cusco and are not sure where to fit Humantay Lake into your itinerary, contact us on WhatsApp and we can help you organize your trip based on the number of days you have available and your acclimatization needs.
Main sources
- MINCETUR – National Inventory of Tourism Resources: location, altitude, characteristics of the lake, and access information.
- PROMPERÚ – Traveler’s Guide: distance, approximate hiking time, and access from Cusco.
- PROMPERÚ – Humantay Lake: origin and characteristics of the attraction.
- CDC Yellow Book 2026: acclimatization, altitude sickness, symptoms, prevention, and ascent recommendations.
- Peru Ministry of Culture: research containing geographic and elevation information related to Humantay.
