São Tomé and Príncipe

São Tomé City — the capital of São Tomé and Príncipe (two volcanic islands in the Gulf of Guinea, population 230,000 — one of the smallest and least-visited countries in Africa, straddling the equator 300km off the Gabon coast, the world’s second-smallest Portuguese-speaking country after Macau) with the Museu Nacional (in the 17th-century colonial fortress, covering the slave trade era that built São Tomé’s plantation economy) and the 16th-century Cathedral.

💡 São Tomé and Príncipe was uninhabited when Portuguese explorers arrived in 1470 — the islands had no indigenous human population. Portugal immediately established slave-worked sugar plantations, making São Tomé the world’s largest sugar producer by 1580. The islands then served as the primary transit point for the Atlantic slave trade for 300 years, with an estimated 1 million enslaved Africans passing through São Tomé between the 1500s and 1800s. Independence came in 1975 at the collapse of the Portuguese Empire.

The rocças (the abandoned plantation estates that cover much of São Tomé — enormous colonial-era cocoa and coffee estates built by the Portuguese from the 1870s, worked by contract labourers imported from Angola, Cape Verde and Mozambique in conditions close to slavery until 1975 — now largely abandoned, the plantation buildings in various states of romantic decay in the jungle, several restored as boutique hotels) including Rocça Agostinho Neto and Rocça Sundy.

💡 Rocça Sundy (a colonial cocoa plantation estate on the northwest coast of São Tomé — and the site of one of the most important scientific experiments in history: on 29 May 1919, during a total solar eclipse, Arthur Eddington photographed the stars near the sun’s edge and confirmed Einstein’s prediction that gravity bends light — the first experimental confirmation of general relativity). A plaque marks the spot where Eddington set up his instruments.

Obo Natural Park (UNESCO Biosphere Reserve — covering 30% of the island, the volcanic interior cloud forest from 500m to the Pico de São Tomé summit at 2,024m — one of the most biodiverse small islands in the world, with 28 bird species found only on São Tomé and Príncipe, including the giant weaver, the São Tomé fiscal and the São Tomé white-eye, and the forest giant earthworms 60cm long).

💡 São Tomé Island has 28 endemic bird species — the highest number of endemic bird species per unit area of any island in mainland Africa’s continental shelf. This extraordinary endemism is the result of the island’s isolation (300km from the mainland), its volcanic origin (no land bridge with mainland Africa for 13 million years) and the survival of its cloud forest. The São Tomé grosbeak (Crithagra concolor — the world’s largest canary at 20cm) is the most sought-after endemic.

Lagoa Azul (the finest snorkel beach on São Tomé — a sheltered bay on the northwest coast with a coral reef at 2–5m, hawksbill turtles, triggerfish and sergeant majors visible from shore) and humpback whale watching (July to September, when humpback whales from the Southern Hemisphere pass through the Gulf of Guinea on their northern migration — morning boat tours from São Tomé City).

💡 São Tomé sits at the centre of the Atlantic humpback whale migration corridor — humpback whales from the Southern Ocean travel through the Gulf of Guinea each July to September on their way to their North Atlantic feeding grounds. The density of humpbacks in these waters in peak season is among the highest in the Atlantic; whale watching from São Tomé city by small boat is a genuine and undervisited experience.

35 min flight. Príncipe (the smaller island, 142km², population 7,500 — UNESCO Biosphere Reserve, designated a World Heritage tentative site, with cloud forest rising to 948m, the finest beaches in São Tomé and Príncipe at Baia das Agulhas and Praia Sundi, the only breeding colony of Gulf of Guinea sea turtles — loggerheads, leatherbacks and greens — on the same beach, and the critically endangered Príncipe thrush).

💡 Príncipe has been called the “Galápagos of Africa” by conservation biologists for the density of endemic wildlife per unit area: the island has its own species of sunbird, speirops, starling, thrush and weaver found nowhere else, plus giant earthworms, endemic geckos and skinks. Unlike the Galápagos, Príncipe receives almost no visitors — there is one luxury resort (Bom Bom Island Resort) and very little other accommodation.

A chocolate tour of São Tomé — the Claudio Corallo plantation and factory (the world’s most acclaimed specialty chocolate maker, producing single-origin chocolate from 80-year-old Forastero cacao trees on a rocça south of São Tomé City, the most coveted origin-specific chocolate in the world, available for tasting and purchase at the factory — the bar with cacao nibs embedded in the chocolate is the signature product).

💡 Claudio Corallo (an Italian agronomist who moved to São Tomé in 1993 and established a single-origin chocolate operation using heirloom cacao varieties from the abandoned plantation estates) is considered by many chocolate professionals to produce the finest dark chocolate in the world — his single-origin São Tomé bars, available in small quantities from the island factory and a handful of specialist retailers worldwide, are the Romanee-Conti of the chocolate world.

A nocturnal turtle monitoring walk on Praia Jalmé (one of the most important leatherback sea turtle nesting beaches in the Gulf of Guinea — active August to February, with guided night walks organised by the conservation organisation MARAPA, the volunteers who monitor and protect the nests against poaching) before flying from São Tomé (TMS).

💡 MARAPA (Marine Resources and Artisanal Fisheries — a local São Toméan NGO established in 1990) runs one of the most effective sea turtle conservation programmes in Central Africa, turning former turtle poachers into conservation monitors paid to protect nests. The programme has reduced poaching by over 90% on monitored beaches; the São Toméan model of community-based conservation is studied by marine biologists worldwide.