This track was recorded on the ground by an actual expedition vehicle.
Tolt MacDonald MTB Trails
Forest singletrack on The Phoenix, Tour de Stump and Cousins trails at Tolt-MacDonald.
Trail Map
Initialising Map Engine...
Trail Profile
General Instructions
Wet roots much of the year; slow down.
Weather check
Sampling Micro-Climate...
47.6405, -121.9170
Slide to preview conditions across the entire route • Point: 47.6405, -121.9170 @ 25m
Quick Stats
Highlights
- Tolt-MacDonald Park
- Snoqualmie River
Field Radio Protocol
VHF-UHF Communication
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
+238 m
Total Descent
-246 m
Ruggedness Index
Terrain Roughness Index
Vertical displacement per km. Typical range: 0 (Smooth) to 100+ (Extreme Mountain).
32.9
Tortuosity Index
Route Curviness Index
Ratio of actual path to straight line. Typical range: 1.0 (Direct) to 3.0+ (Switchbacks).
3.07
Gradient Distribution
Surface & Hydrology
Surface Spectrum Analysis
Includes only technical water fords where the vehicle actively enters a stream or riverbed. Permanent bridges are excluded from this count.
Difficulty Analysis
Difficulty is determined by a technical multi-vector analysis of elevation profile, surface quality, and topographic intensity.
Bounding Box (WGS84)
Point Spacing: 3.3 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0
Reviews & Discussion0
Expedition notes, route modifications, and surface updates shared by the community.
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