The Moka valley is Bioko's cool, mountain face: a world of high meadows, tree ferns, lakes hidden in craters and Bubi villages, more than a thousand metres above the sea and only a good hour from the tropical heat of Malabo. Here the air is chilly in the mornings, mist tangles in the grasslands and the landscape feels more like a temperate mountain than an equatorial island in the Gulf of Guinea.
The district takes its name from the Bubi king Moka, who ruled the island in the 19th century from these highlands, and it is still the heart of rural Bubi culture. It is the favourite place to walk in Bioko: trails lead to the crater lakes Biao and Loreto, with still waters surrounded by forest, and to the spectacular Iladyi waterfalls, which plunge hundreds of metres down a canyon covered in vegetation.
This guide explains how to plan your visit to Moka: which hikes to do, how to get there, where to sleep and how to use the valley as a base for heading into the wilder south of Bioko, with its extraordinary primate wildlife. With a good local guide, hiking boots and warm clothes, the Moka valley offers the greenest, coolest and most authentic side of Equatorial Guinea.
The Moka valley is the centre of Bioko's highlands and of the Bubi people, who have lived here for centuries. It takes its name from King Moka (Möókáta), a 19th-century Bubi ruler who governed the island from these heights during the Bahítáari dynasty. Formed by ancient craters and lava flows from Bioko's volcanic activity, the valley holds crater lakes such as Biao and Loreto, as well as the Iladyi waterfalls. Today it is a base for the island's ecotourism and for scientific conservation projects. Its Bubi and natural history is told in detail on our history page.
Read the full history ↓The volcanic island where the country was born: Bubi land, a crater turned into a harbour, a cocoa empire and, in the south, one of the last sanctuaries for primates and turtles in West Africa.
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Origins, formation and what the sources say.
The Moka valley is a child of the volcanic activity that created the island of Bioko. It lies in the south of the island, in the province of Bioko Sur, more than a thousand metres above sea level. It sits on a landscape of old craters, lava flows and volcanic cones that time has softened and covered with meadows, cloud forest and tree ferns. The lakes you can visit today, Biao and Loreto, fill calderas and craters of those volcanoes. They are full of water now and surrounded by rainforest.
The altitude gives the valley a cool and often misty climate, very different from the humid heat of the coast. While Malabo swelters at sea level, mornings in Moka can be cold, and the mist hangs over the grasslands. This mild microclimate and the fertile volcanic soil made the valley a good place to live and farm. They also explain its unusual vegetation, which looks more like a temperate mountain than an equatorial island.
Moka's landscape is one of the most beautiful in Equatorial Guinea. It has rolling meadows, giant ferns, hidden lakes and waterfalls that drop hundreds of metres, such as the Iladyi falls. It is also the natural setting of the mountain Bubi culture. To understand the valley is to understand how the fire of Bioko's volcanoes ended up creating a green, cool and fertile corner in the southern highlands.
The valley is named after a historical figure: the Bubi king Moka, whose name in the Bubi language was Möókáta. Moka ruled the island in the 19th century, from 1835 to 1845 and again from 1875 to 1898 according to the sources, as part of the Bahítáari dynasty. He set up his court in these southern highlands. From here he held recognised authority over much of the Bubi people, which is why the area bears his name.
The Bubi are the native people of Bioko. They are of Bantu origin and reached the island by sea centuries ago. There they developed their own social organisation, with kings, local chiefs, a traditional religion and an economy based on mountain farming, hunting and gathering. Unlike other peoples in the region, the Bubi lived fairly isolated on their island, and this preserved distinctive cultural traits. The Moka highlands were one of their core territories.
Moka's reign coincided with the growing arrival of Spanish colonisation on the island. The king lived alongside the settlers and missionaries, sometimes uneasily, at a time when European power was taking hold on the coast while the interior remained Bubi. Over time, colonial pressure and uprisings, such as the one led by chief Luba in the early 20th century, wore away Bubi autonomy. Even so, the memory of kings like Moka lives on in the valley's place names and identity.
During the Spanish colonial period, the highlands of southern Bioko, Moka among them, proved suitable for high-altitude crops. Coffee was the main one, and it complemented the cocoa grown in the lowlands. Catholic missions, schools and a colonial administration arrived along with the plantations and left their mark on the valley's villages. Still, Moka always kept a strong rural and Bubi character, far from the bustle of the capital.
Life in the valley revolved around farming, raising small livestock and using the forest. The Bubi villages kept their customs and language. They also kept a close bond with the mountain, the lakes and the waterfalls, which carry deep meaning in local tradition. The cool climate and the beauty of the surroundings made Moka a favourite place to escape the coastal heat as early as colonial times.
Independence came in 1968, followed by the hard years of Macías's dictatorship, which hit the population and the economy badly. Through it all the valley stayed a rural stronghold. In recent decades, with growing interest in ecotourism and conservation, Moka has also started to be seen as a destination for nature and culture. It is a good base for getting to know the most authentic side of Bioko.
Today the Moka valley is one of the hubs of ecotourism and scientific research on Bioko. Its position in the southern highlands makes it the natural gateway to the island's wildest corners. Expeditions leave from here for the deep south, the village of Ureca and the Caldera de Luba Scientific Reserve, one of the most important primate sanctuaries in Africa.
The Bioko Biodiversity Protection Program (BBPP) runs a field station in Moka. It is a scientific initiative linked to universities that studies and protects the island's remarkable wildlife, especially its threatened monkeys and the sea turtles that nest on the southern beaches. The valley is the logistics base for researchers, rangers and students.
For travellers, this scientific background makes the visit richer. Walking through Moka means crossing a territory that combines living Bubi culture, stunning volcanic landscapes and real conservation work. The crater lakes, the Iladyi falls and the highland meadows are more than beautiful. They are parts of a fragile ecosystem that Equatorial Guinea and the international scientific community are trying to protect for the future.
