HomeDestinationsUnited StatesCaliforniaSanta Rosa Hills Hike
Hard
Hiking
🇺🇸 United States
Recorded Trail

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

ID: US-CA-40

Santa Rosa Hills Hike

Added on 5 Oct 2026
Logged by @trailxon18 June 2009

35 km hike on mostly dirt tracks with some paved sections around Santa Rosa, with 1 water crossing.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Expect wet sections at the water crossings; avoid after heavy rain.

Weather check

At Start
88m

Sampling Micro-Climate...

38.4492, -122.6555

Slide to preview conditions across the entire route • Point: 38.4492, -122.6555 @ 88m

Quick Stats

Distance
34.8 km
Type
Hiking Trail
Elevation Range
59m - 406m
Max Elevation
406 m
Max Gradient
20.9%
30.3%

Highlights

  • Sonoma County hills
  • Santa Rosa city centre
  • Annadel State Park

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

+833 m

Total Descent

-825 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
47.6

47.6

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)
2.01

2.01

Gradient Distribution

Flat (0-3%)38%
Moderate (3-8%)37%
Steep (>8%)25%

Surface & Hydrology

Paved21%
Unpaved79%

Surface Spectrum Analysis

Asphalt
21%
Gravel
3%
Dirt Track
76%
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: 61

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

Resulting CategoryHard

Bounding Box (WGS84)

MIN LAT: 38.398531
MAX LAT: 38.457137
MIN LON: -122.655481
MAX LON: -122.573465

Point Spacing: 7.1 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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