El Yeso Dam: Day Trips and Tours from Santiago

Hidden away high in the Andes Mountains, the reservoir of El Yeso shimmers turquoise under the gaze of snow-capped peaks.

Despite the dam's remote setting, an El Yeso Dam day trip from Santiago is an easy drive and an absolute must if you’re into nature and photography.

Here's all you need to know about El Yeso Dam, one of the most exciting day trips from Santiago.

How to get to El Yeso Dam from Santiago?

You’ll find El Yeso Dam less than 100 kilometers from Santiago, which makes it an easy day trip from the Chilean capital.

From Santiago to El Yeso Dam by car

The journey to El Yeso Dam takes around 2 hours. Some sections of the road leading up to the reservoir are unsuitable for standard vehicles, so you’ll need a 4X4.

To reach the dam, head south to the city of Puente Alto, then follow the paved road in the direction of San José de Maipo. From here, take the left fork along an unpaved track which leads up to the dam.

Guided tour to El Yeso Dam from Santiago

If you don’t fancy getting behind the wheel yourself, take a guided day tour to El Yeso Dam from Santiago instead. Transfers are usually door-to-door, and you’ll have a local guide to show you all the best spots.

These excursions last a full day to give you plenty of time at the reservoir to explore.

What is the typical itinerary?

Your day trip to El Yeso Dam will start early with a hotel pickup, often at 6:30 AM. You’ll then enjoy a scenic 2-hour transfer by minivan to Cajon del Maipo – the gorge where the reservoir is located.

On arrival, there will be plenty of time to take photographs and pose for selfies beside the blue waters. Some tours offer hikes to viewpoints while others visit waterfalls and offer optional activities like horseback riding.

A few excursions also include a walk to the Termas de Colina thermal springs. You can take a dip in the six different pools and feel the rejuvenating water working wonders for both body and soul.

There’s a stop at Tunel el Tinoco too. This long-forgotten train station makes the perfect backdrop for photos and is the subject of many a ghost story.

You’ll visit San José de Maipo on the return journey to admire the historical landmarks and charming adobe houses. The driver will have you back in Santiago late in the evening after a long but thrilling day out in the Andes.

What kind of tours are available?

Guided tours to El Yeso Dam from Santiago

Group excursions to El Yeso Dam are the most popular and cost-effective way to travel. There are usually no more than 18 participants on any one trip, and you’ll have a knowledgeable guide to show you around.

Return transportation is included in the tour, and you’ll visit all the popular sites.

Private tour to El Yeso Dam from Santiago

Opt for a private El Yeso Dam day trip from Santiago if you prefer a more exclusive experience. On these luxury outings, you’ll have a personal car and guide, as well as some flexibility with the schedule.

While you will visit all the major sites, you’ll also be able to enjoy lesser-known viewpoints away from the crowds. This is a perfect trip for families, couples and photographers wanting a bit of personal space.

Private bike trip to El Yeso Dam from Santiago

For something a bit more energetic, why not explore the area on private bike trip? This exhilarating jaunt to El Yeso Dam takes place by mountain bike, getting you up close and personal with the wild Andean landscapes.

Hotel pickups and your own private guide make this a stress-free day out, and routes will be adapted to suit your ability and fitness level. You’ll be pedaling downhill for much of the way, so it won’t be too much hard work!

How much does it cost?

A day tour to El Yeso Dam from Santiago costs between US$50 and US$170 per person depending on group size and trip length.

Excursions with fewer participants tend to be more expensive. Round-trip transport, pickups from selected Santiago hotels, a guide, lunch and water are all included.

Private El Yeso Dam excursions start at US$200 per participant and include return transfers, pickups, snacks and a guide. Your group will have an exclusive vehicle for the day.

The private mountain bike tour is priced at US$290 per rider, with cycling gear, vehicle transfers to the trailhead and a picnic breakfast provided.

What will you see and do?

Maipo Valley

The Cajon de Maipo is the vast gorge that’s home to El Yeso Reservoir. With mountain peaks looming on either side, it feels like true Andean wilderness. You’ll have a superb view of the foothills and the Maipo River from here.

As you drive up the Maipo Valley, keep your eyes peeled for waterfalls and viewpoints – the journey is just as absorbing as the destination!

El Yeso Dam

The reservoir was created in 1964 when the El Yeso River was dammed. Today, the lake is a major water source for Santiago and a popular destination for tourists wanting an easy day tour to the Andean mountains.

El Yeso is famed for its turquoise waters, which perfectly complement the surrounding mountains. On a day trip to El Yeso Dam, you’ll be able to explore the shoreline, check out overlooks and hike to hidden cascades.

Termas de Colina

One of the highlights of a day trip to El Yeso Dam from Santiago is a soak in the hot springs. You’ll find the pools a bit higher up the track from the dam.

Heated by nearby San José Volcano, the thermal waters contain minerals to soften the skin and invigorate the body. A dip here is the perfect reward for all that hiking around the reservoir!

Tunel del Tinoco

This mysterious and derelict railway tunnel has its place firmly cemented in local folklore.

After the tragic suicide of a broken-hearted construction worker in 1998, the tunnel became a shrine. It’s said that his spirit will grant the wishes whispered by pilgrims who journey to the entrance.

You can walk through the tunnel to visit the shrine and see the archways from all angles.

When is the best time to visit El Yeso Dam?

The best time for El Yeso Dam excursions is during spring and summer when temperatures are pleasant, and it is relatively dry.

In winter the road is often impassable due to snow or heavy rainfall. If your tour is canceled because of poor weather, you’ll receive a full refund or be offered a different date.

Travel tips

• Day trips to El Yeso Dam are popular so book early to avoid missing out on your preferred date.
• Temperatures can drop suddenly in this region, so pack warm clothing suitable for rain and wind. Sturdy outdoor footwear and sunscreen are a must at all times of year.
• Charge up your camera batteries the night before – you’re going to need them!
• Arrange your El Yeso Dam day tour toward the start of your stay in Santiago, just in case it gets postponed due to weather.