Home Destinations France Auvergne-Rhône-AlpesCol de la Loze

Hard

Cycling

🇫🇷 France

Satellite

This track was identified and mapped via high-resolution satellite imagery.

ID: FR-ARA-23

Col de la Loze

Added on 10 Oct 2026

Logged by @trailx

Col de la Loze (2,304 m) is one of the great Tour de France climbs. The classic side starts in Brides-les-Bains via Méribel: 21.5 km at an average 7.6%, gaining about 1,700 m. The last 7 km are a cycle-only road with ramps up to 24%. First Tour appearance: 2020 (3 times). Pogačar cracked here in 2023: "I'm gone, I'm dead".

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Season: Summer only (ski area). Carry a windproof layer for the descent, enough water and food for the climb, and check road status before you go. Descend with care: these are open roads shared with cars and motorbikes. The last 7 km are a cycle-only road with ramps up to 24%; bring low gears.

Mission Logs50 waypoints

Distance	Direction & Instruction	Gradient
0.0 km	N Start Point	8%
0.5 km	NW Continue on track	8%
1.0 km	W Steep Ascent	15%
1.5 km	SE Steep Ascent	11%
2.0 km	S Steep Ascent	17%

Note: Gear suggestions are based on terrain gradient and are for reference only.

Weather check

At Start

591m

Sampling Micro-Climate...

45.4525, 6.5669

Slide to preview conditions across the entire route • Point: 45.4525, 6.5669 @ 591m

Quick Stats

Distance

22.22 km

Type

Cycling Sector

Elevation Range

591m - 2265m

Max Elevation

2265 m

Max Gradient

27.2%

Highlights

Ride the Brides-les-Bains via Méribel side, the way the Tour climbs it
Top out at 2,304 m
Pogačar cracked here in 2023: "I'm gone, I'm dead"
The last 7 km are a cycle-only road with ramps up to 24%
Ride a climb from the 2025 Tour de France

Field Radio Protocol

VHF-UHF Communication

Signal Verified

Emergency Simplex

146.520MHz

Team Coordination

446.006MHz

Scout Primary

146.400MHz

Propagation Telemetry

Ridge Line

92%

Gorge Floor

18%

Sector Relay: Sector Alpha Relay• 12-18 KM Range

Regulatory Compliance

VHF/UHF frequencies are for monitoring and emergency coordination only. Transmitting on these bands may require an Amateur Radio License or regional government permits. Check local telecommunications laws before operation.

Technical Analysis

Total Ascent

+1665 m

Total Descent

-0 m

Ruggedness Index

Terrain Roughness Index

Vertical displacement per km. Typical range: 0 (Smooth) to 100+ (Extreme Mountain).

0 (Smooth)50 (Steep)100+ (Extreme)

74.9

Tortuosity Index

Route Curviness Index

Ratio of actual path to straight line. Typical range: 1.0 (Direct) to 3.0+ (Switchbacks).

1.0 (Direct)2.0 (Winding)3.0+ (Serpentine)

3.75

Gradient Distribution

Flat (0-3%)0%

Moderate (3-8%)16%

Steep (>8%)84%

Surface & Hydrology

Paved98%

Unpaved2%

Surface Spectrum Analysis

Asphalt

98%

Dirt Track

Rugged/Rock

Water Crossings

Includes only technical water fords where the vehicle actively enters a stream or riverbed. Permanent bridges are excluded from this count.

Difficulty Analysis

SCORE: 66

Difficulty is determined by a technical multi-vector analysis of elevation profile, surface quality, and topographic intensity.

Resulting CategoryHard

Bounding Box (WGS84)

MIN LAT: 45.388977

MAX LAT: 45.454138

MIN LON: 6.553374

MAX LON: 6.601857

Point Spacing: 15 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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Plan this trip

Before you go: Col de la Loze

Best time to go

Jun–Sep

Mid-June to mid-September is the season for high Alpine routes such as the Tour du Mont Blanc; huts are generally open then and passes are mostly clear of snow. Lower routes around Lyon and the Drôme are good in spring and autumn.