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Champex-Lac

A small lake village on the Tour du Mont Blanc, with an alpine garden of more than three thousand mountain plants.

Updated 21 October 2026

Typelake
WhereValais
Nearest cityOrsieres below; Martigny about 25 km
Best seasonJune to September; a small ski and snowshoe area in winter
Time to allowHalf a day
Getting thereRail to Orsieres, then postbus up to Champex
EntryFree; alpine garden entry fee

Champex sits at about fourteen hundred and seventy metres on a shelf above the Val Ferret, with a small lake, chalets round the shore and the Grand Combin visible up the valley. It is best known to walkers as a stage on the Tour du Mont Blanc, which passes through and fills the village with through-hikers from June to September. Above the village the Flore-Alpe botanical garden holds more than three thousand species, subspecies and varieties of mountain plants on a rock-garden site begun in 1925 by the industrialist Jean-Marcel Aubert and open to the public since 1931. A chairlift climbs to La Breya, and paths continue toward the Val d'Arpette and the Fenetre d'Arpette, a demanding TMB variant.

Highlights

  • A lake at 1,470 metres - chalets round the shore under the Grand Combin.
  • The Flore-Alpe garden - over 3,000 mountain plants, begun in 1925.
  • The Tour du Mont Blanc - through-hikers passing all summer.
  • The Fenetre d'Arpette - the hard high variant of the TMB above.

When to go

June to September. Half a day, longer if walking.

Things to know

Accommodation books out through the TMB season - plan ahead. The garden is seasonal and closes in autumn. The lake is small and the village compact. Weather on the Arpette route is serious and it holds snow late.

Nearby

Val Ferret runs south-east; Martigny and the Rhone valley are north.

What to pack for Champex-Lac

Chosen from what this place is for. Tap a kit for the full checklist.

  • Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
  • Reef-safe sunscreen - High SPF that will not bleach the coral you are swimming over. Find on Amazon
  • Warm base layers - Merino or synthetic against the skin - never cotton, which chills when damp. Find on Amazon
  • Layers + a waterproof shell - Mountain weather turns fast; a packable rain jacket saves the day. Find on Amazon

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Plan your trip

Where to start if Champex-Lac is going on the list.

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Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.

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