HomeDestinationsFranceAuvergne-Rhône-AlpesLe Néron Loop above Grenoble
Moderate
Hiking
🇫🇷 France
Recorded Trail

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

ID: FR-ARA-08

Le Néron Loop above Grenoble

Added on 2 Oct 2026
Logged by @trailxon22 February 2017

Steep loop up the flanks of Le Néron, the rocky Chartreuse outlier above Grenoble.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Steep, rocky and exposed in places; avoid when wet.

Weather check

At Start
862m

Sampling Micro-Climate...

45.2197, 5.7028

Slide to preview conditions across the entire route • Point: 45.2197, 5.7028 @ 862m

Quick Stats

Distance
7.57 km
Type
Hiking Trail
Elevation Range
252m - 1178m
Max Elevation
1178 m
Max Gradient
43.8%
45%

Highlights

  • Views over Grenoble
  • Chartreuse foothills

Field Radio Protocol

VHF-UHF Communication

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

+282 m

Total Descent

-837 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
147.8

147.8

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)
3.22

3.22

Gradient Distribution

Flat (0-3%)13%
Moderate (3-8%)16%
Steep (>8%)71%

Surface & Hydrology

Paved2%
Unpaved98%

Surface Spectrum Analysis

Asphalt
2%
Dirt Track
59%
Rugged/Rock
39%
Water Crossings

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

0

Difficulty Analysis

SCORE: 33

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

Resulting CategoryModerate

Bounding Box (WGS84)

MIN LAT: 45.219668
MAX LAT: 45.228832
MIN LON: 5.692923
MAX LON: 5.707435

Point Spacing: 2.1 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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

Log Expedition Notes

You must be signed in to contribute reviews

Authenticate Identity

Be the first to review

No reviews registered for this technical sector yet. Share your experience, surface observations, or gear recommendations!

Nearby

Trails near Le Néron Loop above Grenoble

All trails in Auvergne-Rhône-Alpes →All trails in France →
Moderate
🇫🇷 France

Isère Winter Trek

21.3 km from this trail

8.24 km
967m
0
0
Easy
🇫🇷 France

Drôme Short Ride

71.3 km from this trail

11.5 km
180m
0
0
Moderate
🇫🇷 France

Annecy Town Walk

74.5 km from this trail

9.53 km
796m
0
0
Hard
🇫🇷 France

Hautes-Alpes High Pass Hike

74.6 km from this trail

10.75 km
2869m
0
0
Moderate
🇫🇷 France

Corbas to Valencin MTB Loop

78.8 km from this trail

29.12 km
--
0
0
Easy
🇫🇷 France

Hautes-Alpes Valley Drive

80.5 km from this trail

105.79 km
--
0
0