RouteSão Tomé

Crossing the Equator: Zero Latitude on a Tropical Island

São Tomé island is bisected by the Equator — the crossing point has a small monument where visitors straddle the hemispheres, and the geography creates the island's extraordinary equatorial ecology

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1
The Equator Monument Photo Stop
Concrete equator marker on São Tomé's southwest coast — a simple monument on a remote forest road where the theoretical line crosses the island
2
Equatorial Ecological Zone
Right on the equator, São Tomé experiences two rainy seasons and almost constant warm temperatures — the zero-latitude ecology provides year-round flowering and fruiting
3
Gulf of Guinea at zero latitude
The Gulf of Guinea at the equator is one of the world's warmest oceans — the meeting of ocean currents here creates extraordinary marine productivity seen in fishing catches
4
São João dos Angolares Village
The southwest village is home to the Angolans — descendants of Angolan slaves who shipwrecked here in the 16th century and who maintained a separate culture for centuries
5
Southern Rainforest Trail
The forest south of the equator is less accessible and more untouched than the north — a guided trail through the obô rainforest reserve reveals the island's most intact biodiversity
6
The fishing village of Porto Alegre
The southernmost village on São Tomé — accessible only by four-wheel drive or boat — is a traditional fishing community where the Angolans maintain their distinctive fishing techniques