Stage 2 of 7 · La Haute Traversée de Belledonne

Pont Geoffroy → La Pierre

Distance
16.6 km
Ascent
+1,585 m
Descent
-1,027 m
Est. Time
6h 49m
Altitude
1,319.4–2,271.1 m
Type
point-to-point
🏔️ Mountainous❄️ Alpine

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16.6 km Distance1,585 m Climb6h 49m Est. time2,271 m High pointHARD Difficulty
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🚌

Getting Here

Pont Geoffroy (bus stop)

15227m from trailhead · ~184 min walk

📍

End: La Pierre

No nearby transit stop at the end. Check the next stage's start stop.

Elevation Profile

1,400m1,600m1,800m2,000m2,200m05 km10 km15 km2,271m1,319m
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
Pont Geoffroy → km 7.9 (1745m)
1,319–1,990m
7.9 km+842m / -417m3h 11m📈 Climbing
km 7.9 (1745m) → km 12.2 (1980m)
1,630–1,999m
4.3 km+579m / -344m2h 00m📈 Climbing
km 12.2 (1980m) → La Pierre
1,842–2,271m
4.4 km+578m / -662m2h 10m📉 Descending
Total16.6 km+1,585m / -1,027m7h 21m

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
4h 20m
Calories
2,040 kcal
Water Needed
2.9 L
Effort Distance
37.6 km
flat-equivalent
🍫 Recommended: ~45g carbs/hr (196g total) 🧂 Electrolytes: ~2173mg sodium/hr

Terrain Analysis

Runnability
0%
Steep / Technical
% of route below 15% gradient
Climb Ratio
95 m/km
Very steep profile
↑ 1,585m ↓ 1,027m

Surface & Technicality

Terrain Difficulty Breakdown
Runnable Flat (16%) Easy Grade (48%) Moderate Climb (27%) Steep (10%)

🥾 Mixed terrain: expect sustained climbs between runnable sections.

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
76% 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 16.6 km, 1585m ascent, max altitude 2271.1m, ~7h duration.

Essential 8 items
  • 👟
    Trail running shoes / hiking boots
    Required for any trail
  • 📱
    Phone (charged) + offline map
    Navigation & emergency contact
  • 💧
    3L hydration vest
    Estimated 3.4L needed
  • 🍫
    Trail mix, bars & sandwich
    Est. 2386 kcal burn
  • 🧴
    Sunscreen SPF 50+
    UV intensifies above 2000m
  • 🧢
    Sun hat / cap
    Exposed alpine terrain
  • 🧥
    Windbreaker / shell jacket
    Summit at 2271.1m — 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
    7h route — plan for delays
  • 🩹
    Mini first aid kit
    Blister plasters, tape, antiseptic
  • 🥢
    Trekking poles
    10% steep terrain, 1585m+ 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 Pont Geoffroy to La Pierre (16.6 km by trail). You'll need to arrange transport back to your starting point.

Start — Getting There
Pont Geoffroy
🚌 Pont Geoffroy (4.7km)
Finish — Getting Back
La Pierre
No transit stops detected nearby. Check local timetables.
🗺️ Transit directions (Google)

Nearby Points of Interest

🚌 Transit Stops

  • Pont Geoffroy 4.7 km off trail
  • Pré Rond km 11.1 · 4.4 km off trail
  • Beauvoir km 11.1 · 4.8 km off trail
  • Super Collet km 11.1 · 5.0 km off trail

🛖 Shelters

  • Shelter km 15.9 · 120m off trail

💧 Water Sources

  • Drinking Water 2.3 km off trail
  • Drinking Water 1.3 km off trail
  • Drinking Water 1.7 km off trail
  • Drinking Water km 0.1 · 1.2 km off trail
  • Drinking Water km 0.1 · 744m off trail

🏠 Mountain Huts

  • Cabane de Champet km 0.1 · 192m off trail

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Previous Stage

La Haute Traversée de Belledonne Stage 1: Start → Pont Geoffroy

Next Stage

La Haute Traversée de Belledonne Stage 3: La Pierre → Pinsot Le Village

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

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