HomeAll TrailsAlmaden Quicksilver Mine Hill Ride
Hard
Cycling
🇺🇸 United States
Recorded Trail

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

ID: US-CA-33

Almaden Quicksilver Mine Hill Ride

Added on 30 Sep 2026
Logged by @trailxon11 April 2021

Climbing ride on the Mine Hill Trail through Almaden Quicksilver's historic mercury mines.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Steep fire roads; carry water.

Weather check

At Start
79m

Sampling Micro-Climate...

37.2359, -121.8866

Slide to preview conditions across the entire route • Point: 37.2359, -121.8866 @ 79m

Quick Stats

Distance
38.03 km
Type
Cycling Sector
Elevation Range
65m - 482m
Max Elevation
482 m
Max Gradient
14.4%
24.8%

Highlights

  • Almaden Quicksilver County Park
  • Mining museum
  • Santa Teresa views

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

+605 m

Total Descent

-602 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
31.7

31.7

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)
2.16

2.16

Gradient Distribution

Flat (0-3%)48%
Moderate (3-8%)25%
Steep (>8%)27%

Surface & Hydrology

Paved53%
Unpaved47%

Surface Spectrum Analysis

Asphalt
53%
Gravel
18%
Dirt Track
29%
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: 57

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

Resulting CategoryHard

Bounding Box (WGS84)

MIN LAT: 37.173855
MAX LAT: 37.236912
MIN LON: -121.886612
MAX LON: -121.816116

Point Spacing: 9.5 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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