HomeDestinationsJapanTonami Plain Ride
Moderate
Cycling
🇯🇵 Japan
Recorded Trail

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

ID: JP-16-01

Tonami Plain Ride

Added on 5 Oct 2026
Logged by @trailxon2 May 2014

58 km ride on mostly paved roads across the Tonami plain, with about 160 m of climbing.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Long ride; carry spares, food and water.

Weather check

At Start
138m

Sampling Micro-Climate...

36.6143, 137.0176

Slide to preview conditions across the entire route • Point: 36.6143, 137.0176 @ 138m

Quick Stats

Distance
57.66 km
Type
Cycling Sector
Elevation Range
-15m - 138m
Max Elevation
138 m
Max Gradient
45%
40.3%

Highlights

  • Tonami Tulip Park
  • Shō River
  • Tonami scattered villages

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

+165 m

Total Descent

-275 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
7.6

7.6

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)
4.06

4.06

Gradient Distribution

Flat (0-3%)76%
Moderate (3-8%)18%
Steep (>8%)6%

Surface & Hydrology

Paved95%
Unpaved5%

Surface Spectrum Analysis

Asphalt
95%
Gravel
1%
Dirt Track
4%
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: 46

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

Resulting CategoryModerate

Bounding Box (WGS84)

MIN LAT: 36.558731
MAX LAT: 36.750884
MIN LON: 136.913680
MAX LON: 137.027887

Point Spacing: 11.4 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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