Home All TrailsHantam Karoo to Clanwilliam Drive

Hard

On-Road

🇿🇦 South Africa

Recorded Trail

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

ID: ZA-NC-01

Hantam Karoo to Clanwilliam Drive

Added on 29 Sep 2026

Logged by @trailxon18 April 2026

Long remote drive from the Hantam Karoo down the escarpment to Clanwilliam in the Cederberg.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

Fuel up before leaving; services are 100+ km apart. Gravel sections need slower speeds and good tyres.

Mission Logs159 waypoints

Distance	Direction & Instruction	Gradient	Gear Gearing suggestions are defensive and based on terrain profile. Always assess real-time conditions and the path ahead personally.
0.0 km	N Start Point	-3%	2H
2.0 km	N Continue on track	0%	2H
4.0 km	N Continue on track	0%	2H
6.1 km	N Continue on track	0%	2H
8.1 km	N Continue on track	0%	2H

Note: Gear suggestions are based on terrain gradient and are for reference only.

Weather check

At Start

538m

Sampling Micro-Climate...

-31.9977, 19.8541

Slide to preview conditions across the entire route • Point: -31.9977, 19.8541 @ 538m

Quick Stats

Distance

313.8 km

Type

On-Road Sector

Elevation Range

69m - 812m

Max Elevation

812 m

Max Gradient

13.9%

9.4%

Highlights

Nieuwoudtville spring wildflowers
Vanrhyns Pass
Cederberg mountains
Clanwilliam dam

Field Radio Protocol

VHF-UHF Communication

Signal Verified

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

+1014 m

Total Descent

-1412 m

Ruggedness Index

Terrain Roughness Index

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

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

7.7

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)

3.38

Gradient Distribution

Flat (0-3%)95%

Moderate (3-8%)3%

Steep (>8%)2%

Surface & Hydrology

Paved45%

Unpaved55%

Surface Spectrum Analysis

Asphalt

45%

Gravel

26%

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.

Difficulty Analysis

SCORE: 50

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

Resulting CategoryHard

Bounding Box (WGS84)

MIN LAT: -32.175779

MAX LAT: -31.369913

MIN LON: 18.607406

MAX LON: 19.854132

Point Spacing: 118.6 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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