Day two of the O Circuit and the wind had been building since dawn. By midday it was a wall — not a gust, not a squall, but a sustained, relentless force that made every forward step a negotiation. I had read about Patagonian wind. I had not understood it.
The O Circuit is the full loop around the Torres del Paine massif — 130 kilometres of trail through some of the most dramatic landscape on earth. Most trekkers do the W, the shorter southern route that hits the three main viewpoints and calls it done. The O adds the back side: the remote northern shore of Lago Grey, the John Gardner Pass at 1,241 metres, and the long descent into the Valle del Frances from the west. It is quieter, harder, and considerably more exposed.
I had planned the trip for eighteen months. I had the right gear — a four-season tent, a sleeping bag rated to -15 °C, a hardshell that had survived two Himalayan winters. I had read every trip report I could find. None of them had adequately described what it feels like to walk into a 120 km/h headwind with a 15-kilogram pack on your back and three days of trail still ahead of you.
Day One: The Towers at 4am
I started at the Laguna Amarga ranger station at 6am on a Tuesday in late March, which is the tail end of the Patagonian summer. The season was winding down — the refugios were still open but the crowds had thinned, and the trail felt like it belonged to me in a way it never does in January. The sky was clear and the wind was light. I should have known.
The first day is the one everyone does: the climb to the Mirador Las Torres, the viewpoint at the base of the three granite towers that give the park its name. I had set my alarm for 3:30am to reach the mirador at dawn, when the first light catches the east face of the towers and turns them from grey to pink to gold in the space of about twenty minutes. It is one of the most photographed moments in South American travel, and it earns every photograph.
I reached the mirador at 5:47am. There were four other people there — a German couple who had camped at the base overnight, a solo Chilean woman who had run up from the refugio in trail shoes, and an older Australian man who said nothing and simply stood with his hands in his pockets and watched the light change. We all watched in silence. That is the correct response.
By 8am I was back at Refugio Las Torres, eating a breakfast that cost twice what it should have and tasted exactly right. The wind had picked up while I was at the mirador — nothing alarming, just the park reminding you that it sets the terms. I packed my tent, shouldered my pack, and turned north onto the O Circuit proper. The W trekkers turned south. I watched them go with a feeling I could not quite name — not superiority, not exactly. More like the feeling of choosing the longer road when you know the shorter one is perfectly good.
The wind had been building since dawn. By midday it was a wall — not a gust, not a squall, but a sustained, relentless force that made every forward step a negotiation.
Day Two: The Wind Arrives
The northern shore of Lago Grey is one of the most remote sections of the O Circuit. The trail runs along the lake's edge for about 18 kilometres, with the Grey Glacier visible across the water — a wall of blue ice three kilometres wide and 30 metres high, calving icebergs into the lake with a sound like distant artillery. On a calm day it would be one of the great walks of the world. Day two was not a calm day.
The wind came from the west, off the Southern Patagonian Ice Field, and it came without warning. One moment I was walking normally; the next I was leaning into something solid, something that pushed back. I stopped and tried to assess the situation rationally. The rational assessment was: this is very bad.
The gusts were strong enough to knock me sideways. Not metaphorically — I was physically moved off the trail twice in the first hour. My trekking poles became outriggers, the only thing keeping me upright on the exposed sections above the lake. I learned to read the terrain differently: trees meant shelter, however brief; open ground meant exposure. I moved from tree to tree like a sailor moving between handholds.
I reached Refugio Grey at 4pm, two hours later than planned. The refugio guardian — a compact, weathered man named Rodrigo who had been working the park for eleven years — looked at me the way people look at someone who has just done something mildly stupid and survived it. He poured me a cup of tea without being asked and told me the forecast for the next two days. I asked him to repeat it. He did. It was not better the second time.
The John Gardner Pass — the highest point of the O Circuit and the crux of the route — was ahead of me. In normal conditions it is a hard day: 800 metres of ascent on loose scree, followed by a steep descent into the Valle del Frances. In the conditions Rodrigo was describing, it was something else. He told me three other trekkers had turned back that day. He did not tell me what to do. He just refilled my tea.
I asked him to repeat the forecast. He did. It was not better the second time.
Day Three: The Pass
I left Refugio Grey at 5am in darkness, before the wind had fully woken up. This is the Patagonian trekker's trick: the wind is a creature of the afternoon. The mornings are often still, or still enough. You use the stillness to gain ground, to get high, to be in a position where the afternoon wind finds you already descending rather than still climbing.
The ascent to the Gardner Pass took four hours. The trail climbs through lenga beech forest for the first half, the trees growing progressively more stunted and wind-sculpted as you gain altitude, until they stop altogether and you are on open scree with nothing between you and the sky. The glacier fills the view to the south — a vast white field that extends to the horizon, the Southern Patagonian Ice Field, the third largest body of ice on earth after Antarctica and Greenland. Standing at the pass with that view, I understood for the first time why people come to the ends of the earth.
The descent was where the wind found me. It came from the west as I crossed the pass, a gust that hit me in the chest and sat me down on the scree. I sat there for a moment, not hurt, just recalibrating. The descent into the Valle del Frances is steep and loose — not a place to be moving fast in high wind. I took it slowly, facing into the slope on the steeper sections, moving sideways like a crab, using my poles as anchors. It took three hours to descend what should have taken ninety minutes.
I reached Campamento Italiano at 2pm. The wind was at its worst by then — the trees around the campsite were bending at angles that seemed structurally inadvisable. I pitched my tent in the most sheltered corner I could find, ate cold food because lighting a stove was not possible, and lay in my sleeping bag listening to the tent fabric snap and crack through the night. It did not collapse. I had not been certain it would not.
The wind dropped at 3am. I know this because I was awake when it happened — the sudden silence was louder than the noise had been. I lay there in the quiet for a long time, listening to nothing, feeling the particular relief of a thing that has been threatening you for three days finally relenting.
The sudden silence was louder than the noise had been. I lay there in the quiet for a long time, listening to nothing.
What Remains
I finished the O Circuit on day seven, arriving back at Laguna Amarga in the early afternoon. My boots had a hole in the left sole. I had lost two tent pegs and one guy line. I had eaten everything in my pack and was genuinely hungry in a way that is different from ordinary hunger — the hunger of a body that has been working hard for a week and wants to be fed properly.
I sat on a rock outside the ranger station and ate a chocolate bar I had been saving since day one and thought about what I had done. The honest answer is that I had walked a trail. A hard trail, in bad conditions, but a trail that thousands of people walk every year. The wind had not been exceptional by Patagonian standards — Rodrigo had told me that. What had been exceptional, for me, was the sustained exposure to conditions I could not control and could not escape.
There is something clarifying about that. When the wind is strong enough to knock you down, you stop thinking about anything except the next step. The mental noise that fills ordinary life — the unfinished tasks, the unresolved conversations, the low-grade anxiety of modern existence — all of it goes quiet. There is only the trail, the wind, and the question of whether you are going to keep moving forward.
I would do it again. I would do it in better conditions, if I could choose. But I would do it again.
Marcus Holt
Contributing Writer
Marcus Holt has trekked on six continents and written about wilderness travel for fifteen years. He has completed the O Circuit three times, the W four times, and still cannot adequately describe the Patagonian wind to anyone who has not experienced it.
