Reviewed · HIKING & TREKKING
Trekking to Emerald Lagoon
Emerald Lagoon earns its name honestly, at least in summer. Sediments from Ojo del Albino Glacier give this small glacial lake a striking green color, and the walk to reach it brings you through peat bogs, forest, rocky ground, and the Tierra Mayor Valley. The lake is the prize, but the changing ground along the way makes this more than a simple viewpoint stop.
I like the practical setup: hotel pickup and drop-off save you from arranging transport, and the box lunch, walking sticks, and satellite tracking system are included. I also like the guide approach shown by Josephina, who adjusted the pace and answered questions with care. The main caution is simple: this is not a casual stroll, and trekking boots are mandatory. Mud, uneven rock, and wet peat can make poor footwear a real problem.
Key points at a glance
- Summer brings the emerald color: The lake is green in summer, while winter freezes it and covers it with snow.
- A varied five-hour route: Expect peat bogs, rocky ground, forest, river walking, and a glacial lake.
- Transport is handled: Pickup and return to your accommodation in Ushuaia are included.
- Lunch comes at the lake: A box lunch gives you time to enjoy the view before walking back.
- Boots are not optional: Guides can refuse participation if your footwear and clothing are unsuitable.
- A good first trek near Ushuaia: The route is described as one of the more accessible hikes from the southernmost city in the world.
Why Emerald Lagoon makes a strong Ushuaia day out

Ushuaia offers plenty of grand scenery, but some outings require a boat, a long drive, or a full day away from town. Emerald Lagoon is easier to fit into your schedule. The trailhead is about 20 minutes north of the city, and the full activity lasts five hours, including transport and the walk.
I like this balance. You get a proper Tierra del Fuego trek without giving up an entire day. The route has enough variety to feel like an outing into the wild, yet the distance from Ushuaia keeps the logistics manageable.
The lake itself is a seasonal showpiece. In summer, glacial sediments create the emerald tone that gives the lagoon its name. In winter, the surface freezes and snow covers the area, so you get a very different scene. If the green water is your main reason for booking, choose a summer date and keep your expectations tied to the season.
Other walks through the beech forest and peat bogs:
- From Ushuaia: Tierra del Fuego Emerald Lagoon Trekking Tour
★ 4.9 · 271 reviews - Trekking to Vinciguerra glacier and Tempanos lagoon
★ 4.8 · 127 reviews - Trekking Emerald Lagoon
★ 4.5 · 87 reviews
The short ride from Ushuaia to Tierra Mayor Valley

Pickup is provided at your accommodation, with the exact time sent by WhatsApp the day before. That small detail matters because pickup times can vary, and you will want to be ready rather than waiting around in the lobby.
The drive north takes about 20 minutes. You do not spend the morning on a long transfer, which leaves more of the five-hour outing for walking. Once you arrive, the guide explains the route and the conditions for the day.
The guide speaks Spanish or English. Josephina, named in one especially positive account of the experience, was praised for her enthusiasm, broad knowledge, and ability to adjust the pace to the group. That is useful on a hike like this, where people may move at different speeds.
The excursion includes a satellite tracking system. You are unlikely to think about it during the easy parts of the route, but it is a sensible safety feature for a trek through remote ground. Walking sticks are also supplied, which can help on uneven or soft sections.
Crossing the valley, peat bogs, and rocky ground

The first major part of the walk crosses Tierra Mayor Valley along a clear, marked path. The condition of the route depends on the season, and that is important. A marked trail does not mean a smooth trail.
You will cross several peat bogs and sections of rocky terrain. Peat can feel soft and wet underfoot, while rocks call for steady footing. This is where the footwear rule stops being a formality. Sports shoes are listed among the items to bring, but the more specific instruction says trekking boots are mandatory. Follow the stricter advice and bring proper waterproof trekking boots.
The route is described as one of the more accessible hikes from Ushuaia, but accessible does not mean effortless. You should be comfortable walking for several hours over uneven ground. The tour is not suitable for children under 10 or pregnant women, and guides may refuse to take you if your clothing or footwear is not suitable.
I like that the trail gives you changing scenery instead of one long, steady climb. The valley opens the walk, then bogs and rocks make you pay attention, and forest sections bring a different feel. You should not expect a polished park path from start to finish.
Forest and the Esmeralda River

After the open valley and rougher ground, the route enters more forest. The trees give the walk a sheltered section before the trail continues beside the Esmeralda River.
This river section helps build the sense of progress. You are not simply walking toward a signposted lake. The water becomes a guide, and the route follows it toward its glacial destination.
The supplied information does not give a distance, elevation gain, or exact difficulty rating. I would not try to guess those details. The useful facts are enough for planning: expect five hours for the full outing, several types of ground, and a guide who can adjust the pace to the group.
The scenery is one of the main reasons to choose this trek. You get the Tierra del Fuego flora, forest, river, valley, and open mountain country in one outing. If your idea of a good excursion includes noticing plants and ground conditions rather than rushing from one photo stop to another, this route should suit you.
Other walks and treks from Ushuaia:
- Ushuaia: Tierra del Fuego Trekking and Canoeing
★ 4.7 · 75 reviews - Small group Trekking to Vinciguerra Glacier and Témpanos Lagoon
★ 5.0 · 68 reviews - Laguna Esmeralda Trekking Adventure with Lunch
★ 4.5 · 57 reviews - Ushuaia: Laguna Esmeralda Guided Trek with Box Lunch
★ 4.6 · 16 reviews
Arriving at the emerald-colored glacial lake

The final approach brings you to Laguna Esmeralda, a small lake of glacial origin. Its color comes from sediments carried from Ojo del Albino Glacier. That explanation adds something to the view: the green water is not simply a trick of light, but part of the glacial system around it.
The lake is the natural pause point. You can take in the water and surrounding scenery, eat your box lunch, and recover before starting back. Since lunch is included, you do not need to carry a full meal in your day bag.
Do not expect the same color in every season. The vivid emerald appearance can be seen in summer. In winter, the lagoon is frozen and covered with snow. Both versions can be attractive, but they are different experiences. If you are collecting the classic green-water image, summer is the safer choice.
The phrase your postcards will turn into real postcards fits this part of the walk, but the view is still weather and season dependent. You may find a vivid lake, snow, cloud, or changing light. The sensible approach is to value the whole route rather than treat the color as the only reason to go.
Lunch, a familiar return, and the ride back

After time at the lagoon, you retrace the route. The return is described as familiar, which is accurate in a practical sense: you already know where the peat and rocks are, and you have seen the route from the opposite direction.
That does not make the walk effortless. Tired legs can make uneven ground harder, especially if boots are wet or muddy. Walking sticks are included and may be particularly helpful on the way back.
The return vehicle waits for the group once the walk is complete. You then ride back to Ushuaia, with hotel drop-off included. This door-to-door arrangement adds real value to the price because you do not need to find the trailhead, arrange a taxi, or solve the return journey after several hours on foot.
What the $135 price includes

At $135 per person, this is not the cheapest way to see scenery near Ushuaia. It is also more than a basic self-guided walk. The value depends on how much support you want.
Your price includes:
- Hotel pickup and drop-off
- A live guide in Spanish or English
- Box lunch
- Walking sticks
- Satellite tracking
- Transport to and from the trail
That package makes sense if you want a guided outing with the main practical details covered. The guide can explain the route, help manage the group pace, and provide context for the valley, river, vegetation, and glacial lake.
The price is less compelling if you already have transport, proper hiking equipment, and strong trail confidence. The supplied details do not include clothing or boots, so you must bring suitable gear yourself. Water is also handled in a specific way: the operator provides water before the walk so you can refill your own bottle, but a bottle is not supplied.
I consider the refill system a sensible touch. Bring a reusable bottle, fill it before departure, and avoid adding disposable plastic to a delicate natural area.
Who should book this trek

I would choose this outing if you want a half-day walk with a clear goal and varied scenery. It suits people who enjoy a moderate outdoor activity but do not want a full-day expedition far from Ushuaia.
It is also a good choice for a first trek in the area because the route is marked, the transfer is arranged, walking sticks are supplied, and the guide can adapt the pace. The 4.9 rating from 16 verified bookings reflects a very strong response, with particular praise for the guide, transport, lunch, scenery, and overall organization.
You should be comfortable with:
- Several hours of walking
- Peat bogs and possible wet ground
- Rocky terrain
- Forest paths
- Carrying only a small day bag
- Wearing proper trekking boots
Do not bring luggage or a large bag. The activity is not suitable for pregnant women or children under 10. If you have doubts about your clothing or footwear, resolve them before booking rather than hoping the guide will make an exception.
Practical tips for a better walk

Wear trekking boots, not ordinary trainers. The route includes bogs and rocks, and the guide can refuse participation without suitable footwear and clothing.
Bring a refillable water bottle. Water is provided for refills before the trek, so you do not need to buy a disposable bottle for the walk.
Pack light. Large bags and luggage are not allowed. A small day bag is the practical choice for water, personal items, and any extra layer you need.
Keep the season in mind. Summer offers the famous emerald water. Winter brings a frozen, snow-covered lagoon instead.
Wait for the pickup message. The exact collection time is sent by WhatsApp the day before, so keep the contact details used for booking available.
Let the guide set the pace. The route is considered accessible, but it still crosses uneven ground. A steady pace will leave you more energy for the return.
Should you book Emerald Lagoon?

Book it if you want a well-supported five-hour trek close to Ushuaia, especially in summer when the lagoon shows its emerald color. The combination of valley, peat bogs, forest, river, lunch, and glacial lake gives you more than a quick photo stop.
I would skip it only if you are looking for a very easy walk, dislike wet or rocky ground, or do not have proper trekking boots. At $135, the tour earns its price through transport, guiding, lunch, safety equipment, and the convenience of returning you to your accommodation. For an active half-day in Tierra del Fuego, it is a practical and scenic choice.
FAQ
How long does the Emerald Lagoon trek take?
The full activity lasts five hours, including transportation, the walk to the lagoon, time for lunch, and the return to Ushuaia.
Where is the trek located?
The trek takes place in Tierra del Fuego, Argentina, about 20 minutes north of Ushuaia in the Tierra Mayor Valley.
Is hotel pickup included?
Yes. Pickup and drop-off at your accommodation are included. The exact pickup time is sent by WhatsApp the day before.
What language does the guide speak?
The live guide can conduct the tour in Spanish or English.
Is trekking footwear required?
Yes. Trekking boots are mandatory. Guides may refuse to take passengers who do not have suitable footwear and clothing.
Is lunch included?
Yes. A box lunch is provided at Laguna Esmeralda before the return walk.
Can I cancel or pay later?
You can cancel up to 24 hours in advance for a full refund. A reserve-now, pay-later option is also available.
Just added in Ushuaia
- Trekking Esmeralda Lagoon★ 4.8 · 3 reviews
- Ushuaia: Tour: Beagle Channel Navigation★ 4.7 · 3 reviews
- Ushuaia: Visit to Escondido and Fagnano Lakes PM★ 4.7 · 6 reviews
- USHUAIA: TREKKING IN LAGUNA DE LOS TÉMPANOS AND VINCIGUERRA GLACIER★ 4.8 · 5 reviews
- Ushuaia: Sailing Beagle Channel to the Penguin Colony★ 4.6 · 14 reviews
- Ushuaia: Tierra del Fuego National Park Tour with Lunch★ 4.7 · 38 reviews
- Ushuaia: Tierra del Fuego National Park Shore Excursion★ 4.1 · 18 reviews
- Ushuaia: Ojo del Albino – Full day trekking★ 4.5 · 12 reviews
Hiking & Trekking, compared.

Perito Moreno Glacier Trekking Tour and Cruise
Read our review →
Salinas Grandes, Purmamarca & Los Colorados Hike
Read our review →
Trekking to Vinciguerra glacier and Tempanos lagoon
Read our review →
Trekking day in the mountains close to Bariloche
Read our review →Browse the lists this tour appears in




