HomeAll TrailsBoulder Reservoir Ride
Moderate
Cycling
🇺🇸 United States
Recorded Trail

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

ID: US-CO-02

Boulder Reservoir Ride

Added on 29 Sep 2026
Logged by @trailxon12 April 2025

Easy ride from downtown Boulder out to the Boulder Reservoir along cycle paths.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Afternoon thunderstorms in summer; bring sunscreen.

Weather check

At Start
1628m

Sampling Micro-Climate...

40.0168, -105.2756

Slide to preview conditions across the entire route • Point: 40.0168, -105.2756 @ 1628m

Quick Stats

Distance
19.44 km
Type
Cycling Sector
Elevation Range
1566m - 1628m
Max Elevation
1628 m
Max Gradient
9.4%
8.4%

Highlights

  • Boulder Reservoir
  • Flatirons 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

+71 m

Total Descent

-129 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
10.3

10.3

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)
2.22

2.22

Gradient Distribution

Flat (0-3%)90%
Moderate (3-8%)9%
Steep (>8%)0%

Surface & Hydrology

Paved2%
Unpaved98%

Surface Spectrum Analysis

Asphalt
2%
Gravel
20%
Dirt Track
78%
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: 28

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

Resulting CategoryModerate

Bounding Box (WGS84)

MIN LAT: 40.016779
MAX LAT: 40.087101
MIN LON: -105.275637
MAX LON: -105.196315

Point Spacing: 5.4 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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