This track was identified and mapped via high-resolution satellite imagery.
São Tomé East Coast Road to Porto Alegre
The coast road from the capital south through Santana, Água Izé and the Angolares area to Porto Alegre at the southern tip of the island, with stops at the Boca do Inferno blowhole and beaches such as Sete Ondas. Pico Cão Grande rises inland near the end.
Trail Map
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Trail Profile
General Instructions
A full day with stops; the drive alone is 2-3 hours. The road is paved but narrow and patched, with livestock and pedestrians in villages. Drive in daylight.
Weather check
Sampling Micro-Climate...
0.3367, 6.7273
Slide to preview conditions across the entire route • Point: 0.3367, 6.7273 @ 10m
Quick Stats
Highlights
- Watch the Boca do Inferno blowhole
- Visit the Água Izé plantation
- See Pico Cão Grande
- Stop at Micondó and Sete Ondas beaches
- Take a boat from Porto Alegre to Ilhéu das Rolas
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
+906 m
Total Descent
-905 m
Ruggedness Index
Terrain Roughness Index
Vertical displacement per km. Typical range: 0 (Smooth) to 100+ (Extreme Mountain).
24.8
Tortuosity Index
Route Curviness Index
Ratio of actual path to straight line. Typical range: 1.0 (Direct) to 3.0+ (Switchbacks).
1.83
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: 34.4 m • Engine: TrailX Precision GPX ANALYTICS v1.0.0
Reviews & Discussion0
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Plan this trip
Before you go: São Tomé East Coast Road to Porto Alegre
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