Home Destinations France Pays de la LoireAncenis to Saint-Brevin Ride

Moderate

Cycling

🇫🇷 France

Recorded Trail

This track was recorded on the ground by an actual expedition vehicle.

ID: FR-PDL-04

Ancenis to Saint-Brevin Ride

Added on 9 Oct 2026

Logged by @trailxon23 August 2016

114 km flat one-way ride from Ancenis down the Loire via Nantes to Saint-Brevin-les-Pins on the Atlantic coast.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Plan an overnight stop or train return, as this is a long one-way route.

Mission Logs229 waypoints

Distance	Direction & Instruction	Gradient
0.0 km	NE Start Point	10%
0.4 km	N Terrain Change	2%
0.9 km	SW Continue on track	0%
1.5 km	W Continue on track	0%
2.0 km	W Continue on track	0%

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

Weather check

At Start

Sampling Micro-Climate...

47.3610, -1.1875

Slide to preview conditions across the entire route • Point: 47.3610, -1.1875 @ 4m

Quick Stats

Distance

113.65 km

Type

Cycling Sector

Elevation Range

4m - 40m

Max Elevation

40 m

Max Gradient

18.8%

12.7%

Highlights

Nantes
Paimboeuf
Loire Estuary

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

+178 m

Total Descent

-171 m

Ruggedness Index

Terrain Roughness Index

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

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

3.1

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)

1.51

Gradient Distribution

Flat (0-3%)92%

Moderate (3-8%)7%

Steep (>8%)1%

Surface & Hydrology

Paved26%

Unpaved74%

Surface Spectrum Analysis

Asphalt

26%

Gravel

15%

Dirt Track

59%

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: 48

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

Resulting CategoryModerate

Bounding Box (WGS84)

MIN LAT: 47.173953

MAX LAT: 47.363497

MIN LON: -2.175661

MAX LON: -1.186908

Point Spacing: 22 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

Expedition notes, route modifications, and surface updates shared by the community.

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Plan this trip

Before you go: Ancenis to Saint-Brevin Ride

Best time to go

Apr, May, Jun, Sep, Oct

June to September is best for Alpine and Pyrenean routes; spring and autumn suit Provence, Occitania and the Loire, while Réunion is driest from May to November and prone to cyclones from January to March.