HomeAll TrailsSan Jose to Henry Coe Backroads
Moderate
Off-Road
🇺🇸 United States
Recorded Trail

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

ID: US-CA-18

San Jose to Henry Coe Backroads

Added on 30 Sep 2026
Logged by @trailxon14 December 2025

Long ride from San Jose via Cañada Road and Gilroy Hot Springs into Henry Coe's fire roads.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Remote steep fire roads; carry water and spares.

Weather check

At Start
30m

Sampling Micro-Climate...

37.2534, -121.8152

Slide to preview conditions across the entire route • Point: 37.2534, -121.8152 @ 30m

Quick Stats

Distance
125.29 km
Type
On-Road Sector
Elevation Range
30m - 705m
Max Elevation
705 m
Max Gradient
35.6%
32.4%

Highlights

  • Henry W. Coe State Park
  • Coyote Valley

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

+864 m

Total Descent

-853 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
13.7

13.7

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)
1.52

1.52

Gradient Distribution

Flat (0-3%)43%
Moderate (3-8%)16%
Steep (>8%)41%

Surface & Hydrology

Paved85%
Unpaved15%

Surface Spectrum Analysis

Asphalt
85%
Dirt Track
15%
Water Crossings

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

1

Difficulty Analysis

SCORE: 44

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

Resulting CategoryModerate

Bounding Box (WGS84)

MIN LAT: 36.999190
MAX LAT: 37.257375
MIN LON: -121.815519
MAX LON: -121.452776

Point Spacing: 36.4 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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