HomeDestinationsSão Tomé & PríncipeMonte Alegre to Roça Sundy Walk, Príncipe
Easy
Hiking
🇸🇹 Sao Tome and Principe
Satellite

This track was identified and mapped via high-resolution satellite imagery.

ID: ST-P-02

Monte Alegre to Roça Sundy Walk, Príncipe

Added on 14 Oct 2026
Logged by @trailx

Easy-to-moderate walk on Príncipe from the hamlet of Monte Alegre north to Roça Sundy, a historic cocoa plantation where the 1919 solar-eclipse observation that confirmed Einstein's general relativity was made. Local operators list it at about 4 km and 3 hours with stops.

Trail Map

Initialising Map Engine...

Trail Profile

General Instructions

About 4 km, 3 hours with stops, rated easy to moderate. Paths are muddy after rain; carry water and sun protection.

Weather check

At Start
193m

Sampling Micro-Climate...

1.6331, 7.3885

Slide to preview conditions across the entire route • Point: 1.6331, 7.3885 @ 193m

Quick Stats

Distance
5.17 km
Type
Hiking Trail
Elevation Range
185m - 193m
Max Elevation
193 m
Max Gradient
0.6%
0.7%

Highlights

  • Visit the Roça Sundy plantation buildings
  • See the eclipse memorial at Sundy
  • Walk past old cocoa and coffee groves
  • Look for Príncipe's endemic birds
  • Combine with a visit to Santo António

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

+6 m

Total Descent

-9 m

Ruggedness Index

Terrain Roughness Index

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

0 (Smooth)50 (Steep)100+ (Extreme)
2.9

2.9

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)
1.34

1.34

Gradient Distribution

Flat (0-3%)100%
Moderate (3-8%)0%
Steep (>8%)0%

Surface & Hydrology

Paved46%
Unpaved54%

Surface Spectrum Analysis

Asphalt
46%
Gravel
38%
Dirt Track
16%
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: 6

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

Resulting CategoryEasy

Bounding Box (WGS84)

MIN LAT: 1.632171
MAX LAT: 1.667534
MIN LON: 7.380675
MAX LON: 7.388528

Point Spacing: 86.1 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0

Reviews & Discussion0

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Plan this trip

Before you go: Monte Alegre to Roça Sundy Walk, Príncipe