Reviewed · SANTIAGO TOURS
Andes Day Lagoon: Embalse El Yeso Tour from Santiago
Embalse El Yeso is the star here: a high Andean reservoir reached by a scenic road through Cajón del Maipo, with mountains, open sky, and crisp air at about 2,500 meters. I like the small group of up to 12 and the way this outing adds San Jose de Maipo, waterfalls, lunch, and a glass of wine instead of rushing straight to one viewpoint. The bilingual guides have included Sebastian and Francesco, both praised for making the day friendly and informative.
I also like that you get transportation, lunch, insurance, water, and wine with cheese in the $120 price. The tradeoff is simple: this is a long nine-hour day with an early pickup, and the lagoon route can change or be canceled when rain, snow, storms, or park strikes close access.
Key points to know before booking

- The reservoir sits at roughly 2,500 meters, so bring a jacket, sun protection, and comfortable shoes.
- No proper hike is included, making the outing suitable for scenic walks rather than a strenuous mountain day.
- Pickup runs from 6:30 to 7:30 AM, with the tour officially starting once the group is collected.
- San Jose de Maipo adds local character, with historic buildings, mountain air, and a connection to horse riding and ecotourism.
- A wine-and-cheese stop gives the day a relaxed finish, often paired with time in or near San Jose de Maipo.
- Weather controls the plan, and an alternate route or full cancellation is possible.
From Santiago streets to Cajón del Maipo

This excursion gives you a clean break from Santiago. Pickup is available at hotels and hostels in Las Condes, Vitacura, Providencia, and Santiago Centro. You receive the exact pickup time the day before, but plan for a window between 6:30 and 7:30 AM.
That early start matters. The tour lasts nine hours, and the route into Cajón del Maipo takes you away from the city before the main mountain stops begin. You should eat something beforehand if you need a substantial breakfast, since lunch is included later rather than at the start.
The vehicle is shared with a small group capped at 12 people. I consider that a fair size for a road-based mountain day. You are not packed into a large coach, and it should be easier to hear the guide and ask questions. The exact feel still depends on the group, but the limited numbers give the day a more personal shape.
Pickup is not available from Airbnb apartments or private residences. If you stay outside the listed neighborhoods, you need to contact AndoAndes for the closest meeting point. Do this before the morning of the tour, since a 6:30 AM scramble across Santiago is no fun.
More Cajon del Maipo reservoir runs:
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San Jose de Maipo adds more than a photo stop

San Jose de Maipo is a historic mining town in the Cajón del Maipo area. It gives you a look at the human side of this mountain region before the day turns fully toward open country and the reservoir.
The town is also linked with local ecotourism and activities such as horse riding. Do not expect a long independent visit with hours to explore every street. This is one part of a full-day route, so your time there depends on the group, road conditions, and the wider schedule.
I like having San Jose de Maipo in the plan because it breaks up the drive. A mountain tour can become a string of viewpoints from a van window. A stop in town gives you a sense of how people live and work in the valley, not just how the scenery looks.
The area is known for clean mountain air, but you should still treat this as a high-altitude outing rather than a city excursion. Bring water, use sunscreen, and carry a jacket even if Santiago begins warm and bright.
The road toward Embalse El Yeso

The route into the Andes is a major part of the experience. As you move through Cajón del Maipo, the city falls away and the surrounding peaks become the focus. You may stop at scenic points and waterfalls along the way, with the guide explaining the setting and pointing out local activities and industries.
This is not a hiking tour. The description promises scenic walks and access to viewpoints, but not a demanding trail. That makes it a good fit if you want mountain scenery without committing to a full day on foot.
You still need comfortable shoes. The ground around viewpoints and the lagoon may not be perfectly smooth, and the itinerary can involve short walks away from the vehicle. Sunglasses, a sun hat, sunscreen, and a small backpack are practical choices.
The Andes sun can feel strong at altitude, even when the air is cool. I would pack a jacket in addition to light clothing, not instead of it. The supplied advice specifically calls for a jacket, tennis shoes, a camera, sunscreen, and a backpack.
What the reservoir stop is really like

Embalse El Yeso is a reservoir in the Andes at about 2,500 meters. The appeal is the combination of water, bare mountain forms, open space, and silence compared with Santiago. You go for the setting, not for a long list of attractions.
You can take a relaxing walk around the lagoon area and visit scenic spots selected by the guide. Since no formal hike is included, the day lets you enjoy the view at a gentle pace. That is useful if you want a strong taste of the Andes but do not have the equipment or fitness for a mountain trek.
There is one important limitation. Access can be restricted by weather, park conditions, or other closures. A past departure had the Maipo route closed and used an alternative plan instead. The replacement was still worthwhile for the mountain scenery, but time at the reservoir was less satisfying when access was limited to one viewpoint and a restaurant.
That example tells you how to set your expectations. The tour is not a guaranteed script in which every stop operates exactly as printed. Mountain roads and park access have the final word. If reaching the reservoir is the single reason you are booking, accept that risk before paying.
A few more Santiago half-days to weigh up
- Santiago: Cajon del Maipo/Embalse del Yeso Tour with Picnic
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Waterfalls, local life, and the quieter parts of the day

The guide team leads the group to scenic locations and waterfalls when conditions allow. These stops give the day some variety and keep the reservoir from carrying the entire experience.
The mention of horse riding and local industries also helps place Cajón del Maipo in context. You are seeing an active mountain region, not a stage set built only for sightseeing. The tour does not say that a horse ride is included, so do not book expecting to ride. Instead, treat it as part of the local activity picture your guide may explain.
Guide quality matters on a day like this because much of the experience happens between stops. Sebastian has been praised for making the trip fantastic, while Francesco was described as helpful, attentive, and generous with explanations. Those comments point to the right thing to value: a guide who handles route changes calmly and fills the driving time with useful context.
The tour operates in Spanish, English, and Portuguese. If you need one of those languages, confirm your preferred language when booking, since the group may include more than one language.
Lunch, wine, and cheese in the mountains

Lunch is included, along with water and a wine-and-cheese serving. A vegetarian option is available, which is useful for a full-day outing far from central Santiago.
The wine stop is not just a quick drink squeezed between viewpoints. It gives the day a slower rhythm after the mountain drive and walking. One recorded itinerary ended with a picnic in San Jose de Maipo, and that sort of close fits the mood well: relaxed, social, and tied to the valley rather than a rushed return to the city.
Do not expect a winery tour or a formal tasting unless the supplier confirms one separately. The information supports a glass of wine with cheese in peaceful surroundings, not a detailed lesson in Chilean wine production.
The food is part of the value of the package. At $120 per person, you are paying for a full day with transport from central hotel areas, a bilingual guide, lunch, insurance, water, and the wine-and-cheese stop. You are not paying only for entry to a viewpoint. Still, value depends on the route that day. A clear-weather visit to the reservoir makes the package easier to justify than a weather-shortened alternative.
Timing, comfort, and the altitude question

A nine-hour day is long enough to feel satisfying and long enough to wear you down. You spend part of it in transportation, so bring a camera, water, and something small to occupy you between stops if that helps.
The altitude is worth taking seriously without making it sound frightening. At 2,500 meters, you may notice the thinner air more than you would in Santiago. The itinerary does not include strenuous hiking, which helps, but you should walk at an easy pace and tell the guide if you feel unwell.
This outing is not suitable for people with mobility impairments. It involves vehicle transfers, outdoor viewpoints, and walks around mountain sites. Children must be accompanied by their parents, and unaccompanied minors are not allowed.
Pets and large bags are not allowed. Pack light. A small backpack with your jacket, sunscreen, sunglasses, hat, camera, and personal essentials is the sensible setup.
When the weather changes the plan

The Andes do not follow a city timetable. Rain, snow, storms, or a park strike can force a change or cancellation. The supplier also requires at least two participants, so the tour can be canceled if that minimum is not reached.
If AndoAndes cancels for those reasons, you receive a full refund of the prepayment or an alternative date. You can also cancel up to 24 hours in advance for a full refund. The reserve-now-and-pay-later option is useful if your Santiago plans are still shifting.
I would avoid placing this outing on the final day of your Chile trip. Give yourself room for a weather change or a rescheduled departure. A flexible schedule turns a possible inconvenience into a manageable one.
Who will get the most from this $120 day trip

I would choose this tour if you want to see the Andes without renting a car, arranging a private driver, or planning several separate stops. It suits you especially well if your ideal mountain day includes views, short walks, a town visit, lunch, and a social drink at the end.
The small group helps if you enjoy asking questions or prefer not to spend the day in a large bus. The bilingual format is also useful for international visitors who want guidance in English, Spanish, or Portuguese.
I would hesitate if you want a serious hike, a long independent stay at Embalse El Yeso, or a tightly controlled schedule. You should also think twice if mountain-road closures would ruin the day for you. In that case, a private excursion might offer more flexibility, though likely at a higher total cost.
The strongest part of this experience is its mix. You get the big Andean view, but also San Jose de Maipo, waterfalls, local activities, lunch, and a calm wine stop. That makes the day feel more rounded than a simple out-and-back drive to a reservoir.
Should you book the Embalse El Yeso tour?
Book it if you have one open day in Santiago and want an accessible introduction to Cajón del Maipo. The views are the main prize, while the small group, included meals, and helpful guide service make the $120 price reasonable for a full nine-hour outing.
Go with realistic expectations. This is a scenic road trip with light walking, not a trek. Weather may alter the route, and the lagoon area can sometimes offer less freedom than expected because of closures. If you pack for sun, wind, cold, and a little uncertainty, you will be ready for the kind of mountain day this tour can deliver.
FAQ
How long does the Embalse El Yeso tour last?
The tour lasts nine hours, including hotel and hostel pickups, transportation, stops, lunch, and the return journey.
What time is pickup from Santiago?
Pickup takes place between 6:30 AM and 7:30 AM. The exact time is provided the day before, and the tour officially starts at 7:30 AM once the group pickups are complete.
Where is pickup available?
Pickup is available from hotels and hostels in Las Condes, Vitacura, Providencia, and Santiago Centro. Pickup is not included from Airbnb properties or private apartments.
Is hiking included?
No. The outing includes scenic viewpoints and a relaxing walk around the lagoon area, but it does not include a formal hike.
What languages are available?
The live guide service is available in Spanish, English, and Portuguese.
Is lunch included, and are vegetarian meals available?
Yes. Transportation, lunch, water, insurance, and wine with cheese are included. Vegetarian options are available.
Can the tour be canceled because of weather?
Yes. The supplier may cancel or change the outing because of rain, snow, storms, a park strike, or failure to reach the minimum of two participants. A full refund of the prepayment or another date is offered if the supplier cancels for those reasons.
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