Illustrative artwork — an impression of Fitz Roy — Laguna de los Tres, not a literal photograph.
Laguna de los Tres is the classic day hike out of El Chaltén, Argentina's trekking capital, climbing through southern beech forest toward Mount Fitz Roy's granite spires before a steep, rocky final push to a turquoise lagoon at the mountain's base. The trail starts right from town, so the real planning question isn't permits — it's whether you sleep in El Chaltén or camp along the route for a sunrise start.
Why hike here
What makes this hike special is the payoff at the top: after hours of steady forest walking, the trail breaks onto open scree for the final climb, and Laguna de los Tres opens up with Fitz Roy's spires standing straight out of the water. Because the trailhead sits in town rather than deep in a park, there's no logistics tax on getting here — no permit line, no entry fee — just the walk itself. Patagonian wind is part of the deal too; it can go from still to fierce in the time it takes to eat lunch, and the light on the spires shifts constantly with the weather. Hikers who camp at the site below Fitz Roy get a shot at watching the first light hit the granite before the day-trippers from town arrive.
Getting there
Most hikers reach El Chaltén by flying into El Calafate, the nearest airport with regular domestic and some international connections, then taking a bus or shuttle for the overland leg north — a ride of a few hours through open Patagonian steppe. El Chaltén itself is small enough to walk across, and because Laguna de los Tres and the park's other trails start directly from the edge of town, there's no additional transport or trailhead shuttle to arrange once you've arrived. Given Patagonia's wind and weather, it's worth building in a spare day around your travel dates.
Where to stay
The realistic options, closest-to-the-trail first. Book through the official links — we don't list prices or availability because they change all the time.
Illustrative — evokes the setting, not a specific property. For example: Hotels, hostels, cabins and rentals in the trekking town of El Chaltén
Most hikers — all trails start from town, and there is no park entry fee or permit.
El Chaltén is Argentina’s self-styled trekking capital; book ahead in summer.
Town lodgingFor example: Free campsites along the trails (such as the camp below Fitz Roy) for those extending the trip
Backpackers who want the lagoon at first light before the day crowds.
Camp only at designated sites; Patagonian wind and weather are fierce.
Free trail camping (park info)Permits & rules
No permit or entry fee is required — the trails start right from El Chaltén, and free designated campsites let you overnight. The final climb to Laguna de los Tres is steep, and the weather changes in minutes, so start early and pack layers.
Gear you'll want for this trip
Matched to the terrain and conditions here. Real products — check current price on Amazon.
Common questions
Do I need a permit or pay a fee to hike to Laguna de los Tres?
No — this is one of the few major Patagonian treks with no park entry fee and no permit system. All the trails around El Chaltén, including the one to Laguna de los Tres, start right from town, so you can generally just show up, check the forecast, and start walking.
Should I stay in El Chaltén or camp on the trail?
Both are options. El Chaltén has hotels, hostels, cabins, and rentals, which is the simpler choice and worth booking ahead in the busy summer months. There are also free, designated backcountry campsites along the route, including one below Fitz Roy, for hikers who want to be at the lagoon for sunrise before the day-trippers arrive.
When's the best time to hike, and what should I pack for the weather?
The hiking season runs roughly November through March. Even within that window, Patagonian weather can shift from calm to windy and back within an hour, so pack layers, a windproof shell, and start early — both to beat any afternoon wind and to have daylight in hand if conditions turn.
Complete gearsets for this trip
Full curated kits built for exactly this kind of hike — what to bring, why, and links to similar gear.
Lodging details are compiled from official parks, refuge associations and reservation systems and can change without notice. We publish no prices, availability or ratings — always confirm current information on the official site before booking or setting out. Product links are affiliate links: we may earn a commission at no extra cost to you; prices and availability are shown on Amazon. See our affiliate disclosure.