CAJON DEL MAIPO TOUR + TERMAS COLINA + EMBALSE EL YESO AND PICNIC

The best part of this day is the pairing of hot mineral pools and high-Andes scenery. You can soak beside the Colina River, then head higher to see turquoise water at El Yeso Reservoir, all without arranging several separate trips from Santiago.

I like the clear variety: nine outdoor pools range from 25 to 55 degrees Celsius, and the 2 km walk adds a little exercise before the picnic. I also like the practical pickup service from central Santiago areas and the warm praise for guide Patricia and the driver. The drawback is the long mountain day, rough roads, altitude, and a picnic that may feel more like a light aperitif than lunch.

Key points to know before booking

• Nine pools from 25 to 55 degrees Celsius: Move between pools carefully, since the upper pools are very hot.
• El Yeso sits at 2,500 meters: The reservoir stop brings altitude, sun, cold, and a 2 km hike into the day.
• The route covers 109 km from central Santiago: Expect a long outing with mountain roads and an early start.
• Breakfast is not included: Buy or bring something before leaving, and pack extra food because prices can be high on the route.
• The picnic includes Chilean wine: Treat it as a pleasant tasting stop rather than a guaranteed full meal.
• Pickup is limited to central avenues: Confirm your meeting point if your hotel is away from Vitacura, Las Condes, Providencia, Santiago, or Estación Central.

Why this Cajón del Maipo combination works

Cajón del Maipo gives you a quick change from Santiago streets to the Andes. The trip is not just a scenic drive with one photo stop. You get hot springs, a reservoir, a short hike, a chocolate stop, and food with wine in one eight-hour outing.

That variety is the main reason I would consider the $95 price reasonable. You are paying for round-trip transport, a guide, thermal bath entry, and the picnic. If you tried to arrange transport to the Colina baths and El Yeso Reservoir separately, the logistics would be harder, especially since road and weather conditions can affect the reservoir visit.

Still, this is not a cheap spa day. The drive is long, the mountain roads can be difficult, and meals beyond the picnic are your responsibility. Go in expecting a full mountain excursion, not a slow morning at a resort.

Leaving Santiago for the Colina River

Pickup is available in Las Condes, Providencia, Vitacura, Santiago, and Estación Central, but only at hotels or meeting points near the main avenues in those areas. You need to wait in the lobby or apartment entrance 10 minutes before pickup.

That detail matters. A hotel technically located in one of these communes may still be too far from the accepted route. If you are staying elsewhere, contact the operator to arrange a meeting point instead of assuming door-to-door service.

The trip to the Colina baths is about 109 km from central Santiago. The early departure helps fit the hot springs, reservoir, hike, chocolate stop, and picnic into one day, but you should not expect a leisurely late morning.

A rustic stop on the route is used for breakfast. Breakfast is not included, and this is one of the places where you may want to spend cash. I would bring water and at least a small breakfast from Santiago, then buy something extra if needed.

The road conditions deserve honest attention. One review specifically advises bringing motion sickness medication if you normally need it, and warns that food can be expensive on the route. The trip also reaches high altitude later in the day. If altitude affects you, bring the medication you usually use and take the advice of your doctor or pharmacist before the trip.

Soaking in nine Colina thermal pools

The Colina thermal baths are the first major stop, and entrance is included in the tour price. The pools sit beside the Colina River in the Andes, with the river running only a few meters away.

The water comes from a magmatic source associated with San José Volcano and is highly mineralized. You do not need to know the geology to enjoy the setting, but it helps explain why the pools have different natural temperatures.

There are nine open-air pools. The lowest are about 25 degrees Celsius, while the highest reach 55 degrees. That is a wide range, so you can choose a cooler pool for a longer soak or test the hottest water briefly.

The 55-degree pool will be too hot for many people. Move slowly, pay attention to how you feel, and do not treat the hottest pool as a challenge to win. The cooler pools can be the better choice if you want to sit and look at the mountain setting rather than make a quick stop.

Pack a towel, swimsuit, a change of clothes, warm layers, and comfortable shoes. You will want to be dry and dressed for the later reservoir stop, where the temperature and wind may feel very different from the baths.

This is also a good reason to bring cash. The tour includes entry, but the supplied details do not promise that every extra service or purchase at the baths is covered.

The 2 km walk to El Yeso Reservoir

After the thermal baths, the route continues toward El Yeso Reservoir, subject to traffic and weather conditions. The reservoir is about 2,500 meters above sea level, so this is the part of the day where altitude becomes a real factor.

The viewpoint is reached by a 2 km hike with the guide. The walk is not presented as a strenuous trek, but you still need comfortable shoes, water, sunscreen, and warm clothing. Mountain conditions can change quickly, and the open setting offers little of the convenience you might find at a developed attraction.

The reward is a view over the reservoir’s turquoise-colored water, surrounded by the Andes. Fishing is possible in the reservoir, although this excursion is a viewpoint visit rather than a fishing trip.

The lack of facilities is part of the character of the stop and part of the practical challenge. Do not expect a café, indoor shelter, or a line of shops at the water. Carry what you need before leaving the bus, especially water and a small snack.

The reservoir visit is also the least certain part of the day because it depends on traffic and climate conditions. If weather or road conditions make the stop unsafe or impractical, the schedule can change. That is normal for a high-mountain outing, but it is worth knowing before you book.

La Casa Chocolate and the end-of-day picnic

The visit to La Casa Chocolate adds a lighter stop after the mountain scenery. It is described as one of the best-known attractions in Cajón del Maipo, and it gives the day a change of pace after the baths and hike.

You will then have a picnic with Chilean wine before returning to Santiago. This sounds like a full lunch in the basic description, but you should plan conservatively. One detailed review found the picnic small, closer to an aperitif, and not enough to replace a proper meal.

That is the most useful food advice for this excursion: eat breakfast, bring sandwiches or other extra food, and carry water. Food along the route may be expensive, so buying something in Santiago can save money and prevent hunger during the long return drive.

The wine makes the picnic feel distinctly Chilean, but use good judgment if you have a long road trip still ahead. The day includes mountain driving and a return to Santiago, not a relaxed afternoon at one fixed site.

Guide service and transport

The guide service is offered in Portuguese and Spanish. Patricia receives specific praise for organization and punctuality, along with the driver. That matters on a day with several stops, a fixed bath entry, a hike, and a long route through the mountains.

You should expect a guided excursion rather than a private custom tour. The schedule includes scenic driving, sightseeing, free time, a safety briefing, a photo stop, and the 2 km walk with the guide.

The vehicle is the practical heart of the experience. You avoid arranging transport to remote mountain areas, and pickup and drop-off are included in the listed central Santiago zones. The tradeoff is that you spend a meaningful part of the eight hours on the road.

The exact group size is not provided, so I would not book this expecting a private ride or a quiet car unless the operator confirms it. The driver speaks Portuguese or Spanish, and some activity information may appear in its original language.

What the $95 price really covers

At $95 per person, the value depends on how much you want done in one day. The price includes:

• Round-trip transportation
• Guide service
• Colina thermal bath entrance
• Picnic
• Chilean wine with the picnic

It does not include food in general, which means breakfast and additional lunch items are extra. Since the picnic may be light, the real cost of the day can rise if you buy meals and drinks along the route.

I still see value here for someone who wants a simple way to combine the hot springs and El Yeso Reservoir. Transport to both places is the difficult part, and entry to the baths is already handled.

The value is weaker if you mainly want a long spa session. The journey to Colina is substantial, and the reservoir hike and chocolate stop take up much of the day. In that case, a shorter thermal-bath visit might suit you better, if available.

What to pack for this mountain day

Bring more than you would for an ordinary city excursion. The supplied guidance is sensible:

• Comfortable walking shoes
• Warm clothing
• A swimsuit and change of clothes
• Towel
• Sunscreen
• Water
• Cash
• Extra food or sandwiches
• Any usual motion sickness medication

The combination of hot water, high altitude, strong sun, and cool mountain air can catch you off guard. You may start the day in swimwear at the baths and end it in warm layers beside the reservoir, so pack for both settings.

Comfortable clothing matters on the bus as well. You will be sitting during a long drive, then walking 2 km at altitude. This is not the place for stiff shoes or a tightly planned outfit.

The activity is not suitable for wheelchair users. The open-air pools, mountain roads, and unpaved or uneven portions of the viewpoint route make this a poor fit for anyone needing wheelchair access.

Who should book this experience

I would recommend this tour to you if you have one full day in Santiago and want to see the Andes without renting a car. It works especially well if you want variety: hot springs in the morning, a reservoir and hike later, then chocolate and wine before the return.

It also suits people who like a planned day. Pickup, transport, guiding, bath entry, and the picnic are arranged for you, and Patricia’s praised organization is a welcome advantage on a busy route.

I would be more cautious if you dislike winding roads, become uncomfortable at altitude, or need a substantial included meal. The road can be difficult, the reservoir stop depends on conditions, and the picnic should not be your only food for the day.

The tour is also less suited to anyone seeking an easy-access outing. You need to manage a 2 km hike, changing temperatures, and a remote setting without the usual city facilities.

Should you book the Colina and El Yeso day?

Book it if your priority is seeing several Cajón del Maipo highlights in one organized day. The strongest combination is the included thermal bath entry, the nine temperature-varied pools, and the chance to reach the turquoise El Yeso Reservoir without arranging remote transport yourself.

Before paying, make sure you are comfortable with the long drive, altitude, mountain roads, and limited food included. Bring breakfast, sandwiches, water, warm clothes, a towel, and sunscreen. With those preparations, the $95 price offers a practical way to experience both the restorative and rugged sides of the Andes.

FAQ

How long does the tour last?

The tour lasts eight hours, including pickup, transport, the thermal baths, the El Yeso Reservoir visit, the hike, La Casa Chocolate, the picnic, and the return to Santiago.

What is included in the price?

The price includes Colina thermal bath entry, round-trip transportation, a guided tour, and a picnic with Chilean wine.

Is breakfast included?

No. Breakfast is not included. The route has a rustic breakfast stop, but you need to pay for anything you buy there.

How hot are the Colina thermal pools?

There are nine open-air pools, with temperatures ranging from about 25 degrees Celsius in the coolest pools to 55 degrees in the hottest pool.

How long is the hike at El Yeso Reservoir?

The hike to the enabled viewpoint is 2 km, and it is accompanied by the guide.

At what altitude is El Yeso Reservoir?

El Yeso Reservoir is located at about 2,500 meters above sea level.

Where can pickup take place?

Pickup is available in Las Condes, Providencia, Vitacura, Santiago, and Estación Central, mainly at hotels or meeting points near the main avenues. You should contact the operator if you are staying farther away or in another commune.

Can wheelchair users join the tour?

No. The activity is not suitable for wheelchair users.