
Place · 0.1 mi away
Challenging

This is Patagonia’s bucket‑list grind: a strenuous out‑and‑back to the glacial lagoon at the base of the three granite towers. Expect roughly 12.5–13.5 miles total (20–22 km), with about 3,300 feet/1,000 meters of climbing. Most hikers take 8–10 hours; very fit hikers may do it in 5–7. It’s gorgeous, but it’s no casual stroll.
From the visitor center near Hotel Las Torres, you’ll roll gently then cross a suspension bridge and start a sustained climb into the Ascencio Valley. The route threads lenga forest, skirts a river, and reaches Refugio Chileno around 3 miles in—an oasis with paid bathrooms and simple food if you’ve reserved services. Beyond, the grade steepens through forest before the infamous final moraine: a rocky, exposed boulder/scree climb (“La Morrena”) that slows everyone. Crest it and the payoff is huge—an amphitheater of three soaring monoliths above a milky glacial lake.
This is a **strenuous** day with long, steady ascents, loose rock, and wind exposure up high. Poles help, especially on the moraine and the descent. Weather swings are the rule: sun, icy wind, clouds, even heat—often on the same day. Dress in layers, bring high-top or grippy hiking footwear, sunscreen, and a small first‑aid kit. Cell service is spotty; download an offline map and carry a headlamp for early starts.
Rangers enforce time gates; start pre‑sunrise if you’re unsure of your pace. Park entry must be purchased/reserved in advance and, for foreign visitors in 2024, a 3‑day pass cost about US$31—verify current pricing before you go. Water is easy to top up at Hotel Las Torres and at Chileno; pack enough food for 6–10 hours. There are no trash bins on the trail—carry a bag and pack everything out. Suspension bridges may have strict capacity limits; heed posted rules.
Staying in the Central Sector puts you near the trailhead with a lively scene. Overnighting at the smaller, quieter Chileno Sector (about halfway up) lets you start even earlier for sunrise at the lagoon—but reaching Chileno itself is a couple of uphill hours. Hotel Las Torres near the start offers a cushier landing after your hike. All of these book up months ahead in season.
December–February brings the most reliable weather and the biggest crowds. March often offers thinner crowds but remains variable. For the best experience, begin very early to beat the ranger cutoffs, dodge bottlenecks on the moraine, and catch soft light on the towers. Clear nights here can be spectacular for astrophotography if you’re based nearby; a tripod helps, though modern phones can do well with long exposure.
It’s iconic and absolutely worth it—if you’re prepared for the grind, crowds, wind, and a slow, rocky finale. If you only have one big day in the park and can handle a tough hike, this is the one.
Park at the visitor center near Hotel Las Torres; starting from this lot adds roughly 1 mile round trip before and after the main climb. Restrooms and snacks are available at the visitor area.
Start early to make ranger cutoffs. Expect fierce winds above treeline and an exposed, steep boulder/scree climb at the end. Bridges can have strict capacity limits. There are no trash bins—pack out all waste. Do not book same‑day long‑distance buses after this hike; return times aren’t guaranteed.
