HomeAll TrailsLegasa to Donamaria GR12 MTB
Extreme
Cycling
🇪🇸 Spain
Recorded Trail

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

ID: ES-NC-01

Legasa to Donamaria GR12 MTB

Added on 30 Sep 2026
Logged by @trailxon12 July 2015

Navarrese Pyrenees MTB ride on the GR12 past Txaruta and Leurtza reservoirs to Donamaria.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Steep climbs to 1,000m; muddy in spring.

Weather check

At Start
84m

Sampling Micro-Climate...

43.1298, -1.6442

Slide to preview conditions across the entire route • Point: 43.1298, -1.6442 @ 84m

Quick Stats

Distance
43.1 km
Type
Cycling Sector
Elevation Range
84m - 1026m
Max Elevation
1026 m
Max Gradient
45%
20.9%

Highlights

  • Leurtza reservoirs
  • Bertiz Natural Park
  • Basque countryside

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

+1017 m

Total Descent

-1028 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
47.4

47.4

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)
2.02

2.02

Gradient Distribution

Flat (0-3%)20%
Moderate (3-8%)25%
Steep (>8%)55%

Surface & Hydrology

Paved2%
Unpaved98%

Surface Spectrum Analysis

Asphalt
2%
Gravel
20%
Dirt Track
78%
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: 75

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

Resulting CategoryExtreme

Bounding Box (WGS84)

MIN LAT: 43.050453
MAX LAT: 43.133331
MIN LON: -1.731131
MAX LON: -1.639399

Point Spacing: 24.2 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!