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IN-006 River expedition · West Africa 1806

Mungo Park’s Second Niger Expedition — Forty men sent to trace a river; nearly all died

Lost
~38 of 40 Europeans
Into
The West African interior
Ended
Bussa rapids, c. 1806
Status
Most died

Summary

In 1805 the Scottish surgeon and explorer Mungo Park led a British government expedition of roughly forty Europeans inland from the Gambia to trace the course of the River Niger to its end. Within a few months almost the entire party was dead. By the time Park reached the Niger at Bamako in mid-August 1805, only eleven of the Europeans were still alive; the rest had died of malaria and dysentery on the march. By the time he built a boat and set off down the river from Sansanding on 19 November 1805, the European company had shrunk to Park himself, one army officer, three soldiers and a few others. Park drowned at the Bussa rapids, on the Niger in what is now Nigeria, in about 1806, when his boat was attacked by people on the riverbanks and the men leapt into the water to escape. None of the Europeans who entered the boat survived; only an African guide, Amadi Fatouma, lived to carry the story out.

The expedition was the second time Park had gone to the Niger. His first journey, of 1795–97, had been a privately backed reconnaissance for the African Association; he had reached the river at Ségou in July 1796, the first European known to have seen it there, and returned to write a celebrated account. That success persuaded the British government to mount the far larger venture of 1805 — a column of soldiers and artificers commissioned to follow the Niger downstream and settle the geographical question of where it went. The difference between the two journeys was fatal: the small, lightly equipped first expedition had given Park the prestige that justified the second, while the second's size, its soldiers and its timing turned it into a death march.

The decisive error was the calendar. The party left the coast late and pushed inland into the West African rainy season, the deadliest time of year for malaria, with no understanding of how the disease was transmitted and no effective protection against it. Men sickened and died at a catastrophic rate, the column melting away stage by stage until barely a tenth of it remained. Park pressed on regardless, converting the survivors' situation into an all-or-nothing dash down the river. The attempt ended in violence at a rapids he could not pass, and with it the lives of nearly all the men he had led inland. The expedition is remembered as one of the costliest in the history of African exploration measured against the size of the party — a venture in which the science of geography advanced barely at all, while almost everyone who set out died.

Timeline

1795–97
First Niger journey
Park reaches the Niger at Ségou in July 1796, the first European known to do so, and returns to write a famous account.
31 Jan 1805
Second expedition sails
Park, commissioned a captain, leaves Portsmouth for the Gambia with a party that will number about forty Europeans.
Apr 1805
Inland march begins
The column assembles at Pisania on the Gambia and starts for the Niger, late in the season.
Apr–Aug 1805
The rainy season kills
Malaria and dysentery destroy the party on the march; men die at almost every stage.
19 Aug 1805
Bamako reached
Park gains the Niger with only eleven of the Europeans still alive.
Oct–Nov 1805
The Joliba built
At Sansanding, Park converts canoes into a small schooner, about 40 feet long, named Joliba after the river.
19 Nov 1805
The final voyage
Park sets off downstream with a tiny remnant — himself, Lieutenant Martyn, three soldiers, the guide Amadi Fatouma and three enslaved men.
c. early 1806
Death at Bussa
The boat is stranded and attacked at the Bussa rapids; Park and the remaining Europeans drown escaping into the river.
1810–12
The news emerges
Amadi Fatouma's testimony reaches the coast, and reports of Park's death are confirmed by about 1812.
1827
A son's search
Park's son Thomas attempts to reach Bussa to learn his father's fate and dies of fever in the attempt.
1830
The river resolved
Richard and John Lander finally trace the Niger to its delta on the Atlantic, completing the question Park died pursuing.

The march that emptied the column

Park's reputation, and the expedition itself, grew out of his first journey. Sent by the African Association in 1795, he had travelled with minimal support, reached the Niger at Ségou in July 1796 and confirmed that the great river flowed eastward — a finding that overturned European guesswork and made his published Travels a sensation. On the strength of that success the British government, eager to settle the Niger question and extend its commercial and imperial reach, gave him a captain's commission and a far larger force: a column of roughly forty Europeans, the bulk of them soldiers drawn from the garrison at Gorée, with officers, artificers and a draughtsman. The plan was to march to the upper Niger and then follow it by boat to wherever it ended.

The expedition left Portsmouth on 31 January 1805 and began its inland march from the Gambia in April — and there the fatal timing was set. The party pushed toward the Niger as the rains came on, into the season when malaria is at its height, and the men had no defence against a disease whose cause was then unknown. The column died on its feet. By the time Park reached the Niger at Bamako on 19 August 1805, only eleven of the Europeans were still alive; the rest had succumbed to fever and dysentery over a few terrible months. A venture conceived as a confident geographical survey had become, before it even reached the river it came to chart, a procession of the dying.

The river and the boat of the dead

At Sansanding, on the Niger, Park gathered the survivors and prepared the descent. He had two large canoes cut down and joined into a single flat schooner roughly 40 feet long, which he named the Joliba, the local name for the river. By the time the boat was ready, the European party had dwindled further still: when Park pushed off downstream on 19 November 1805 he had with him only Lieutenant John Martyn, three soldiers — one of them said to be deranged — the African guide Amadi Fatouma, and three enslaved men. He expected to reach the sea within weeks.

He never did. The boat ran more than a thousand miles down the Niger, past hostile stretches where the men, fearing attack, are reported to have fired on people along the banks rather than risk landing — a defensive ferocity that can only have hardened the response against them. At the Bussa rapids, in what is now Nigeria, the Joliba grounded on rock in a narrow channel and came under attack from the shore with bows, spears and stones. Trapped, Park and the remaining Europeans threw themselves into the river and drowned. Of the men who had boarded the boat at Sansanding, none of the Europeans survived; only the guide Amadi Fatouma, left behind shortly before, lived to tell what had happened. The single witness's account, carried slowly back toward the coast, was the only reason the world ever learned how the expedition ended.

The reckoning at Bussa

The cause of the catastrophe is not mysterious. The expedition was destroyed first by disease and only finally by violence. Malaria and dysentery, striking a large party that had marched into the interior at the worst possible season, killed roughly three-quarters of the Europeans before the river journey even began; the men who died at Bussa were the small remnant the fever had spared. Park's decision to continue down the Niger with a handful of survivors, rather than turn back, was an act of single-minded determination that left no margin: the Joliba could not be defended against a hostile shore, could not portage a rapids, and could not replace a man once lost. The reported firing on riverside communities, whatever its provocation, ensured that the final encounter would be fought rather than negotiated.

What the expedition achieved against this toll was slight. Park did not resolve the course of the Niger; that question waited until 1830, when Richard and John Lander followed the river to its delta on the Atlantic. The 1805 venture's chief legacy was its death toll and the cautionary example it set — a demonstration of how completely tropical disease, compounded by haste and isolation, could annihilate a well-funded imperial expedition. Park's own son Thomas died of fever in 1827 attempting to reach Bussa and learn his father's fate, a second death in pursuit of the first.

The Five Factors

01
Marching into the disease season
The party entered the interior as the rains began, the height of the malaria season, against a disease whose transmission no one then understood. Moving a large party through hostile terrain at its most dangerous time, with no protection against the local killer, is a logistical decision that can destroy a column before it reaches its objective.
02
Size as a liability, not a strength
A force of forty Europeans needed more supply, shelter and time than a small reconnaissance, and offered the rainy-season fever a far larger target. Where a hazard scales with exposure, a bigger party can mean a bigger catastrophe; the very size meant to ensure success multiplied the toll.
03
Pressing on past the point of viability
With only a fraction of his men alive, Park chose to continue down the Niger rather than withdraw. Continuing toward a goal after the means to reach it safely have collapsed is escalation of commitment: the venture was no longer a survey but a gamble that staked the survivors on completing it.
04
A boat that could not be defended or portaged
The Joliba gave the party mobility but no answer to a blocked rapids or a hostile shore. Choosing a single vehicle with no fallback — unable to fight, to portage, or to absorb a loss — leaves the expedition at the mercy of the first obstacle it cannot pass, which at Bussa it could not.
05
Violence that foreclosed negotiation
The reported firing on riverside communities along the descent turned every settlement into a potential enemy. When a party meets the people of the country with force rather than parley, it forfeits the possibility of safe passage and guarantees that a final confrontation will be lethal.

Aftermath

For years the expedition's fate was unknown in Britain; only the slow emergence of Amadi Fatouma's testimony, confirmed by about 1812 and corroborated by later travellers such as Hugh Clapperton and Richard Lander, established that Park had drowned at Bussa with the last of his men. His journals from the final voyage were lost. The geographical prize he had died chasing fell to the Lander brothers in 1830, who proved that the Niger emptied into the Atlantic through the delta — the answer the 1805 expedition had paid for in lives without obtaining.

Park is remembered in Scotland and in the history of exploration as a figure of real courage and skill, and his first journey remains a genuine landmark. The second is a darker monument: a government expedition in which a large, well-equipped party was almost entirely destroyed, chiefly by disease and finally by the violence of a route forced through inhabited country. The toll — roughly thirty-eight of forty Europeans dead, none of the river party surviving — stands as one of the starkest illustrations of how lethal the West African interior was to nineteenth-century European expeditions, and of how little geography it bought in return.

Lessons

  1. Time the march to the terrain's hazards; entering hostile country at the deadliest season can destroy a party before it reaches its goal.
  2. A larger party is not a safer one when the danger scales with exposure; size can multiply the toll instead of insuring against it.
  3. Know when the means to finish safely have collapsed, and turn back; pressing on past that point converts a survey into a fatal gamble.
  4. Choose transport that has a fallback — that can be defended, portaged, or recovered after a loss — rather than staking the venture on a single vehicle.
  5. Pass through inhabited country by negotiation where possible; meeting its people with force forfeits safe passage and invites a lethal end.

References