Stage 8 of 8 · Tour du Mont Blanc

Trient, Le Peuty → Chamonix-Mont-Blanc

Distance
24.5 km
Ascent
+2,117 m
Descent
-1,441 m
Est. Time
9h 37m
Altitude
1,282.8–2,203.6 m
Type
point-to-point
🏔️ Mountainous❄️ Alpine
🚌

Getting Here

Trient, Le Peuty (bus stop)

268m from trailhead · ~3 min walk

🚌

Getting Out

Brevent (bus stop)

1842m from trail end · ~23 min walk

Elevation Profile

1,400m1,600m1,800m2,000m2,200m0 km5 km10 km15 km20 km25 km2,204m1,283m
Easy (5–10%) Steep (15–25%) Flat (<5%) Moderate (10–15%)

Route Map

Segment Breakdown

Auto-analyzed from the elevation profile. Each segment shows the dominant character for planning your effort.

SegmentDist↑ / ↓TimeCharacter
Trient, Le Peuty → km 21.9 (1812m)
1,283–2,204m
21.9 km+2151m / -1742m8h 50m📈 Climbing
km 21.9 (1812m) → Chamonix-Mont-Blanc
1,812–2,076m
2.5 km+275m / -13m58 min🔺 Steep Climb
Total24.5 km+2,117m / -1,441m9h 49m

Pace & Fuel Calculator

Adjust your flat 10K pace to see personalized finish time, calorie burn, and hydration needs.

7:00 /km
4:00 /km (elite) 12:00 /km (leisure)
Fast Hiker / Jogger
Est. Finish Time
6h 06m
Calories
5,752 kcal
Water Needed
5 L
Effort Distance
52.9 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (275g total) 🧂 Electrolytes: ~3052mg sodium/hr 🩹 Consider anti-chafe and blister prevention

Terrain Analysis

Runnability
0%
Steep / Technical
% of route below 15% gradient
Climb Ratio
86 m/km
Very steep profile
↑ 2,117m ↓ 1,441m

Surface & Technicality

Terrain Difficulty Breakdown
Runnable Flat (38%) Easy Grade (36%) Moderate Climb (13%) Steep (13%)

🏃 Mostly runnable with gentle terrain. Great for fast trail running.

Current Conditions

Loading live weather...

Conditions for June

ℹ️ Shoulder season
Snow Risk
0%
Unlikely
55% north-facing slopes
Mud Risk
30%
Moderate
Ice Risk
0%
Unlikely

Snow unlikely at this elevation in June. Trail conditions expected to be clear.

🥾 Muddy sections likely. Waterproof boots recommended.

Best months: 5, 6, 7, 8, 9, 10

Suggested Gear List

Auto-generated based on 24.5 km, 2117m ascent, max altitude 2203.6m, ~10h duration.

Essential 8 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    3L hydration vest
    No water sources on route
  • 🍫
    Trail mix, bars & sandwich
    Est. 6738 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 2203.6m — wind chill
  • 🆘
    Emergency space blanket
    Critical for preventing hypothermia if you stop moving
Recommended 6 items
  • 🕶️
    Sunglasses (cat 3+)
    Snow & rock glare at altitude
  • 🧤
    Warm mid-layer (fleece)
    Temps drop ~6°C per 1000m
  • 🔦
    Headlamp
    10h route — plan for delays
  • 🩹
    Mini first aid kit
    Blister plasters, tape, antiseptic
  • 🥢
    Trekking poles
    13% steep terrain, 2117m+ ascent
  • 🧊
    Microspikes / light crampons
    Snow risk in 12, 1, 2
Nice to have 1 items
  • 🦵
    Gaiters
    Keep snow out of boots

Logistics

This route runs from Trient, Le Peuty to Chamonix-Mont-Blanc (24.5 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Trient, Le Peuty
🚌 Trient, Le Peuty (268m)
Finish — Getting Back
Chamonix-Mont-Blanc
🚌 Brevent (1.8km)

Take this route with you

Download the GPX file for your GPS watch or phone. Works with Garmin, Suunto, COROS, Apple Watch, and all GPX-compatible apps.

Route data from OpenStreetMap © contributors, licensed under ODbL. Updated 2026-04-03.