The Tour du Mont Blanc, hut to hut

Somewhere on the climb out of the Vallée des Glaciers, on the fourth morning of the Tour du Mont Blanc, I stopped to let a shepherd move his flock across the trail and realized I could hear four languages being spoken by the walkers stacking up behind me — five, if you counted the sheep. That is the TMB in a single scene: the most international, most social, most thoroughly civilized long walk in the world, conducted in a landscape that remains completely serious about being the Alps.

The numbers are simple enough. About 170 kilometers in a circle around the Mont Blanc massif; roughly 10,000 meters of climbing and the same of descent; three countries — France, Italy, Switzerland — crossed on foot without ever showing a passport; ten to twelve days for most walkers. But the numbers miss the texture, which is the point of this guide. The TMB is not an expedition. It is a walking holiday of genius design, refined over two and a half centuries, where every brutal climb is answered by a refuge terrace with cold Orangina and a view that resets your standards for the word.

How the route works

The classical circuit starts in Les Houches, near Chamonix, and runs counter-clockwise: over the Col de Voza and up the long wild Vallée des Glaciers to the Col de la Seigne, where you step into Italy and the Val Veny opens beneath the black-and-white wall of the Grandes Jorasses. Down to Courmayeur — espresso, swagger, the best food on the circuit — then up the other side and along the balcony trail past Rifugio Bonatti, which many walkers, ourselves included, consider the finest single stage of the route. The Grand Col Ferret takes you into Switzerland and a couple of softer, greener days through Champex and the Bovine pasture route before the Col de Balme returns you to France with Mont Blanc filling the entire southern sky, and the last stages swing high along the Aiguilles Rouges past Lac Blanc back toward the Chamonix valley.

The TMB's secret is rhythm: climb all morning, eat lunch at a col between two countries, descend all afternoon into a valley where dinner is already being cooked for you.

Refuge life: the rules of the game

The mountain huts are the trek's soul and its logistical crux. A refuge night runs to a familiar liturgy: boots off at the door and hut slippers on; a dormitory bunk or, if you booked early, a small private room; dinner at seven sharp — soup, a mountain of carbohydrate, cheese, dessert — served family-style at long tables where you will meet the same Norwegians, Quebecois and Koreans night after night until they feel like cousins. Lights out at ten, breakfast at six-thirty, and the whole caravan moves one valley along.

Book early. This is the one non-negotiable piece of advice in this guide. The popular huts — Bonatti, Bertone, Lac Blanc, Mottets — fill for July and August by late winter. Reservations open between November and January depending on the hut; set a reminder, plan your stages, and book the chain in one sitting. Carry cash (Swiss huts especially), pack a sleeping-bag liner (required almost everywhere), and order the picnic lunch the night before — the good huts pack a better lunch than you will assemble yourself.

The stages that stay with you

Three moments earn special mention. The first is the descent from the Col de la Seigne into Italy, when the Val Veny unrolls beneath you and the south face of Mont Blanc — twice the height of anything you have seen all week — makes every walker in earshot go quiet at the same moment. The second is the balcony path from Rifugio Bertone to Bonatti: two flat, impossible hours with the entire massif arranged across the valley like a museum wall, and marmots whistling commentary from the grass. The third is Lac Blanc near the end, if you take the high variant: the classic reflection of the Mont Blanc range in dark water, best at dawn before the day-hikers ascend, when you will have earned it with ten days of walking and they will have taken a cable car, and you will feel insufferably superior and entirely justified.

The hard parts, honestly

The TMB is crowded in high summer, and pretending otherwise helps no one. In the last week of July the trail between Les Contamines and the Col du Bonhomme can feel like a well-dressed pilgrimage. Our fixes: walk in the second half of June or the first half of September; start stages an hour earlier than the guidebook times; and take the variants — the Col des Fours, the Fenêtre d'Arpette if conditions allow — which shed ninety percent of the traffic in exchange for some honest scrambling. The other hard part is simply the relentlessness of the profile: there is no flat day on the TMB, and knees that arrive untrained will file formal complaints by day three. Poles are not an affectation here. They are equipment.

Weather deserves respect too. This is high country wearing a friendly face: we crossed the Grand Col Ferret in horizontal sleet in August, two days after crossing the Col de la Seigne in sunburn weather. Pack for both on the same day, always, and treat the hut guardians' forecasts as the local scripture they are.

Why this walk endures

People have been walking around Mont Blanc for pleasure since the 1760s, which makes the TMB one of the oldest continuously walked leisure routes on the planet, and the accumulated intelligence shows. Every stage ends where a stage should end. Every col has a view that justifies it. Every valley has a farm selling cheese aged in its own cellar. It is walking as a perfected civilization — and if that sounds too comfortable, the ten thousand meters of climbing will restore the necessary element of suffering. We came home from the TMB planning to return before the boots were even dry. That is the only endorsement a trail ever needs.