Tucked away in the Andean valleys just outside Ushuaia, Laguna Esmeralda is one of Tierra del Fuego’s most iconic natural treasures. Fed by the Ojo del Albino Glacier, the lagoon owes its dazzling turquoise-green color to suspended glacial sediments, which shimmer under the changing Patagonian light. The trek to reach it winds through lenga forests and open valleys framed by jagged peaks, offering hikers a chance to experience the raw beauty of Fuegian wilderness in just a few hours. Accessible year-round, the lagoon transforms with the seasons—radiant emerald waters in summer, fiery foliage in autumn, and a frozen crystalline expanse in winter—making it a destination that captivates photographers, adventurers, and nature lovers alike.

Covering roughly 9 km round trip, the trail takes between 3 to 5 hours to complete, depending on pace and weather conditions. With an elevation gain of about 200 meters, it is considered a moderate hike—shorter and less demanding than other regional treks, but still requiring good balance and stamina due to muddy sections, peat bogs, and uneven terrain. Its manageable length and rewarding views of the turquoise, glacier-fed lagoon make it a favorite day hike for travelers of varying fitness levels.

The best time to hike Laguna Esmeralda is during summer (December–March), when the trail is most accessible and the lagoon shines in its vibrant emerald color. Autumn (April–May) is also a fantastic option, with fewer crowds and stunning fall foliage painting the valley in reds and golds. While the lagoon can be visited year-round, these two seasons offer the most rewarding and comfortable hiking conditions.

Guided tours often include hotel pick-up, box lunches, and sometimes equipment; prices generally range from USD 100-190 depending on inclusions.