HomeAll TrailsCougar Mountain De Leo Wall Loop
Moderate
Hiking
🇺🇸 United States
Recorded Trail

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

ID: US-WA-09

Cougar Mountain De Leo Wall Loop

Added on 30 Sep 2026
Logged by @trailxon3 August 2019

Forest loop on Cougar Mountain via De Leo Wall, Marshall's Hill and the Wildside Trail.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Rooty and muddy in winter; many junctions, carry a map.

Weather check

At Start
121m

Sampling Micro-Climate...

47.5311, -122.1659

Slide to preview conditions across the entire route • Point: 47.5311, -122.1659 @ 121m

Quick Stats

Distance
11.6 km
Type
Hiking Trail
Elevation Range
121m - 340m
Max Elevation
340 m
Max Gradient
25.2%
21.9%

Highlights

  • De Leo Wall viewpoint
  • Cougar Mountain Regional Wildland Park
  • Coal mining relics

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

+284 m

Total Descent

-191 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
40.9

40.9

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)
4.09

4.09

Gradient Distribution

Flat (0-3%)34%
Moderate (3-8%)27%
Steep (>8%)38%

Surface & Hydrology

Paved25%
Unpaved75%

Surface Spectrum Analysis

Asphalt
25%
Dirt Track
75%
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: 47.521556
MAX LAT: 47.534281
MIN LON: -122.165944
MAX LON: -122.126025

Point Spacing: 2.6 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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