Stage 6 of 7 · La Haute Traversée de Belledonne

Prapoutel - Parking Navettes → Aiguille

Distance
23.4 km
Ascent
+1,665 m
Descent
-2,052 m
Est. Time
9h 09m
Altitude
1,679.5–2,479.7 m
Type
point-to-point
🏔️ Mountainous❄️ Alpine

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23.4 km Distance1,665 m Climb9h 09m Est. time2,480 m High pointEPIC Difficulty
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🚌

Getting Here

Prapoutel - Parking Navettes (bus stop)

6898m from trailhead · ~91 min walk

🚂

Getting Out

Aiguille (train station)

282m from trail end · ~3 min walk

Elevation Profile

1,800m2,000m2,200m2,400m05 km10 km15 km20 km23.4 km2,480m1,680m
Flat (<5%) Gentle (5–10%) Moderate (10–15%) Steep (15–25%) Very steep (>25%)

Route Map

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Segment Breakdown

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

SegmentDist↑ / ↓TimeCharacter
Prapoutel - Parking Navettes → km 6.9 (1944m)
1,944–2,480m
6.9 km+697m / -846m2h 58m📉 Descending
km 6.9 (1944m) → km 16.7 (1996m)
1,680–2,371m
9.8 km+995m / -943m4h 04m📈 Climbing
km 16.7 (1996m) → Aiguille
1,681–2,050m
6.7 km+477m / -792m2h 31m📉 Descending
Total23.4 km+1,665m / -2,052m9h 34m

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
5h 37m
Calories
2,713 kcal
Water Needed
3.9 L
Effort Distance
50.3 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (253g total) 🧂 Electrolytes: ~2817mg sodium/hr 🩹 Consider anti-chafe and blister prevention

Terrain Analysis

Runnability
0%
Steep / Technical
% of route below 15% gradient
Climb Ratio
71 m/km
Very steep profile
↑ 1,665m ↓ 2,052m

Surface & Technicality

Terrain Difficulty Breakdown
Runnable Flat (11%) Easy Grade (28%) Moderate Climb (49%) Steep (11%)

🧗 Challenging terrain with significant elevation changes. Expect to walk the climbs.

Surface

≈43% paved · ≈57% unpaved
Mixed paved & unpaved

Estimated for the full route from the 58% with mapped surface data in OpenStreetMap.

Current Conditions

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Conditions for July

ℹ️ Shoulder season
Snow Risk
0%
Unlikely
83% north-facing slopes
Mud Risk
10%
Low
Ice Risk
0%
Unlikely

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

Best months: May, Jun, Jul, Aug, Sep, Oct

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Get one email the moment this route melts out and is snow-free. We use your verified account email — never typed into a form.

Suggested Gear List

Auto-generated based on 23.4 km, 1665m ascent, max altitude 2479.7m, ~9h duration.

Essential 8 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    3L hydration vest
    Estimated 4.6L needed
  • 🍫
    Trail mix, bars & sandwich
    Est. 3207 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 2479.7m — 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
    9h route — plan for delays
  • 🩹
    Mini first aid kit
    Blister plasters, tape, antiseptic
  • 🥢
    Trekking poles
    11% steep terrain, 1665m+ ascent
  • 🧊
    Microspikes / light crampons
    Snow risk in Dec, Jan, Feb
Nice to have 1 items
  • 🦵
    Gaiters
    Keep snow out of boots

Logistics

This route runs from Prapoutel - Parking Navettes to Aiguille (23.4 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Prapoutel - Parking Navettes
🚌 Prapoutel - Parking Navettes (4.2km)
🚌 Prapoutel Patte d'Oie (4.9km)
🚌 Prapoutel Gendarmerie (4.9km)
Finish — Getting Back
Aiguille
🚌 Chamrousse 1650 Le Recoin (269m)
🚌 Télécabine - Office du Tourisme (301m)
🚌 Auberge de Jeunesse (478m)
🗺️ Transit directions (Google)

Nearby Points of Interest

🚌 Transit Stops

  • Lac 1.8 km off trail
  • Ardoisière km 0.3 · 5.0 km off trail
  • Plan 2 km 0.3 · 4.6 km off trail
  • Plan 1 km 0.3 · 4.6 km off trail
  • Prapoutel Patte d'Oie km 0.3 · 4.9 km off trail
  • Prapoutel - Parking Navettes km 0.3 · 4.2 km off trail
  • Bouquetins km 0.3 · 4.4 km off trail
  • P'tits Loups km 0.3 · 4.4 km off trail

🛖 Shelters

  • Chamrousse 1750 Roche Béranger - Centre Commercial km 23.4 · 1.3 km off trail

💧 Water Sources

  • Drinking Water 1.3 km off trail
  • Drinking Water 1.4 km off trail
  • Drinking Water 1.3 km off trail
  • Drinking Water 1.3 km off trail
  • Drinking Water 1.2 km off trail

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←

Previous Stage

La Haute Traversée de Belledonne Stage 5: La Martinette → Prapoutel - Parking Navettes

Next Stage

La Haute Traversée de Belledonne Stage 7: Aiguille → End

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← Back to all 7 stages of La Haute Traversée de Belledonne

Route data from OpenStreetMap © contributors, licensed under ODbL. Updated 2026-04-02.