Trek Overview

📍 Region
Europe
🗺️ Countries
France
📏 Distance
180 km
📅 Duration
14–16 days
⛰️ Max Altitude
2,706 m
📈 Elevation Gain
13,000 m
🎯 Difficulty
Very Demanding
🏕️ Accommodation
Hut, Camping
📆 Best Months
Jun, Jul, Sep
🎒 Pack Profile
Light
✅ Permit Required
No
🧗 Technical Demand
High

Terrain and Conditions

The GR20 passes through Rocky, Mountain, Scrambling terrain. Climate conditions include Mediterranean Mountain, Hot Summer, Cold Nights. The route stays below significant altitude risk, reaching a maximum of 2,706m.

Permits and Logistics

No permit is required for this route. Porters are not typically available on this route — you carry your own gear.

Use the Trekax Pack Calculator to find your ideal pack weight for the GR20 — target the light packing profile at 8% of body weight.

Priority Gear for the GR20

Based on the terrain, climate, accommodation type, and altitude profile, these are the most important gear decisions for this route:

Waterproof Hiking Boots
Technical terrain requires ankle support and grip
Lightweight Rain Jacket
For unexpected weather changes
Fleece + Down Mid Layer
Temperature drops significantly at night
Sleeping Bag -5°C to -10°C Comfort
Self-supported camping requires warm sleep system
Blister Kit (Compeed + Leukotape)
Long daily distances make blister prevention critical
Trekking Poles
Reduce knee stress on long descents

What Not to Bring

📋 Full Packing List

See our complete packing list for the GR20 — every item category with budget and premium options.

View GR20 Packing List →

Related Treks

Camino Francés
780 km · Moderate · Spring, Autumn
Camino Portugués
620 km · Easy · Spring, Autumn
Tour du Mont Blanc
170 km · Demanding · Summer, Early Autumn