---
title: "The Fenêtre d'Arpette"
type: "1day-itinerary"
variante: true
lang: "en"
distance_km: 22
elevation_plus_m: 1938
elevation_minus_m: 2026
difficulty: "Hard"
duration_days: 1
url: "https://www.tmb-guide.com/en/itineraries/fenetre-darpette/"
description: "Take on the Fenetre d'Arpette, a variant of the Tour du Mont Blanc. Detailed itinerary, elevation profile and tips for this unforgettable hike."
---

# The Fenêtre d'Arpette

The most spectacular alpine variant on the TMB. A wild pass at {{2,665 m | 8,743 ft}} offering stunning views of the Trient Glacier.

## Overview

The Fenêtre d'Arpette, located in the canton of Valais in Switzerland, is a mountain pass that provides a crossing between the Val de Trient to the northwest and the Val d'Arpette to the east. Nestled between the Pointe des Ecandies to the south and the Someceon du Dru and Genépi to the north, in the majestic Mont Blanc massif, this natural window stands at an altitude of 2 665 m (8 743 ft).

## Stats

- Distance: 22 km
- Elevation gain: 1938 m
- Elevation loss: 2026 m
- Difficulty: Hard
- Duration: 1 day
- Variant route: yes

## Need to know

## What you need to know
The ascent of this steep pass is a real challenge for hikers, especially those who choose to hike the Tour du Mont Blanc via this variant. The steep gradient of the pass, its high altitude, and the cumulative elevation gain of the stage can test even the most experienced hikers.

However, those who rise to the challenge are rewarded with breathtaking panoramic views, particularly of the Trient Glacier to the east and the Emosson dam and lake to the northwest.

The Fenêtre d'Arpette is therefore more than just a mountain pass - it is an unforgettable hiking experience that offers hikers a unique opportunity to connect with nature while testing their physical limits.

## Practical info

- Start: Champex
- Finish: Tré le Champ
- Distance: {{22 km | 13.7 mi}}
- Elevation gain: {{1,938 m | 6,358 ft}}
- Max altitude: {{2,617 m | 8,586 ft}}

## Day-by-day itinerary

### Day 1: Champex - Tré le Champ (via the Fenêtre d'Arpette)

- Distance: 22 km
- Time: 10 h
- Ascent: 1938 m
- Descent: 2026 m
- Max altitude: 2617 m
- Min altitude: 1371 m

Route from Champex to Tré le Champ via the Fenêtre d'Arpette.