About the park
The history of Tsavo
Kenya's biggest park was a hunting ground, a caravan corridor and a railway construction site long before anyone called it protected. Its modern history runs through one warden's thirty years at Voi, a famous argument about whether to shoot elephants to save trees, and an ivory war that emptied the place by 1988. Here is the documented story.
If you only want the answer
Tsavo was Waata, Orma and Kamba country crossed by coastal ivory caravans, then the ground the Uganda Railway fought its way over in 1898. The park was gazetted in April 1948 and split into East and West along the railway a year later. David Sheldrick built Tsavo East from nothing between 1948 and 1976, the 1970-71 drought killed about 5,900 elephants and settled a famous management argument the hard way, and ivory poaching cut the herd from tens of thousands to 6,399 by 1988. Under the Kenya Wildlife Service the ecosystem has climbed back to roughly 15,000 elephants.
The nyika before the railway
The country the park now covers was never empty. Three peoples used it, in different ways. The Waata, whom the colonial record calls the Waliangulu, were elephant hunters, working the thickets between the Galana and the coast with the most powerful longbows in Africa and arrowheads dressed in Acokanthera poison. Orma herders grazed cattle along the Galana. The Kamba, farmers and traders from the higher country to the west, hunted here too and ran ivory to the coast as one of the great trading peoples of nineteenth-century East Africa.
Through the middle of it all ran the caravan routes. The straightest line from Mombasa to the interior crossed this nyika, the dry thorn country the coastal traders dreaded, and the Tsavo and Athi rivers were the only reliable water on the worst stretch of it. Swahili and Arab ivory caravans worked the route for most of the nineteenth century, and the German missionaries Krapf and Rebmann crossed the same country in the late 1840s on their way to becoming the first Europeans to report Kilimanjaro. The name Tsavo is usually translated as a place of slaughter; that translation is repeated everywhere and pinned down nowhere, so treat it as unverified.
1898: the railway crosses the river
The Uganda Railway followed the caravan line, and in March 1898 the railhead reached the Tsavo river, where work on a bridge began and men started disappearing from the tents at night. The story of the two lions that stopped the line for nine months, and of how many people they actually killed, is the most famous thing that ever happened here, and we tell it properly on our man-eating lions page rather than badly in one paragraph.
What matters for this page is what the railway left behind. It fixed the geography of everything that followed: Voi grew from a railhead camp into the town that still serves the park, the line gave the future park its most useful boundary, and it put a corridor of settlement straight through country that had defeated settlement for centuries. Fifty years later, when the colony went looking for land for a big park, the land nobody had managed to farm was sitting either side of the track.
1948: a park made of land nobody else wanted
Tsavo was gazetted in April 1948 under Kenya's 1945 national parks ordinance, the second park in the colony after Nairobi. The logic was blunt: here were more than 20,000 square kilometres that were too dry for farming and thick with tsetse fly, so the cost of setting them aside was low. In 1949 the park was split along the railway into Tsavo East and Tsavo West, two administrations for one ecosystem, an arrangement that has confused visitors ever since and still means two separate tickets.
The cost was not zero, it was just carried by people without a say. The Waata woke up inside a park that made their entire way of life a crime. Hunting the elephant herds they had hunted for generations was now poaching, and the men who kept doing it filled the new park's arrest records through the 1950s. Attempts to give them a legal living from wildlife, including a licensed hunting scheme on the Galana, came late, worked briefly and fell apart. It is the least told part of Tsavo's story, and organisations working with Waata communities today are direct about what was lost.
What Sheldrick built
Tsavo East's founding warden was David Sheldrick, appointed in 1948 at twenty-eight and in post until 1976. What he took over was a name on a map with no roads, no staff to speak of and no water for either. What he left was a working park: close to a thousand miles of road, an airstrip network, a trained ranger force that pioneered tracking and light aircraft against armed ivory gangs, and the dam he threw across the Voi River at Aruba in 1952, which turned a seasonal river into the park's most reliable game water. The anti-poaching campaigns of the 1950s broke the ivory networks of the day, and also jailed Waata hunters on their own former ground, and both of those things are true at once.
The other half of the story grew in the garden of the warden's house at Voi. Orphaned elephant calves kept arriving, and Daphne Sheldrick spent years of trial and error learning how to keep infant elephants alive without their mothers, work that eventually produced the first successful milk formula for them. When Kenya merged its national parks into a government wildlife department in 1976, Sheldrick was transferred to Nairobi, and he died there in June 1977. Daphne founded a trust in his name the same year. It became the Sheldrick Wildlife Trust, the most famous elephant orphanage in the world, and its reintegration stockades at Voi and Ithumba mean the project still ends where it began, with young elephants walking back into Tsavo East.
The die-off and the argument
By the mid-1960s Tsavo East had what looked like too many elephants. The herds were stripping the woodland along the rivers, and the question of whether a park should intervene became the sharpest argument in African conservation. The scientist Richard Laws, brought in to run the Tsavo Research Project in 1966, concluded that the population should be reduced and proposed culling on a large scale. Sheldrick and the park trustees refused, holding that Tsavo should let nature decide. Laws resigned in 1969, and the accounts of exactly how bitter that departure was differ enough that we will leave the details as unverified. The disagreement itself is thoroughly documented.
Nature then decided. The rains failed in 1970 and again in 1971, and the elephants died against the empty woodland in numbers nobody had seen before. Tim Corfield's mortality study counted the toll at about 5,900 elephants, half of them adults and the dead concentrated along the Tiva, the Yatta Plateau and the Voi River, with mothers and calves hit hardest. Whether that vindicated Laws or proved the ecosystem was correcting itself is still argued in the literature fifty years on, which is why Tsavo remains the case study every wildlife management course reaches for.
The ivory collapse, and the climb back
The drought was survivable as a population event. What came next was not. In the late 1960s the Tsavo ecosystem held somewhere between 35,000 and 45,000 elephants, depending on which count from the era you trust, and none of them agree, so treat the exact peak as unverified. Then the world ivory price took off in the 1970s, and the poaching changed character: automatic rifles instead of bows, organised gangs coming across the Somali border and, as later inquiries made plain, corruption reaching well into official Kenya. The park's rangers were outgunned for years and the remote north beyond the Galana became effectively a no-go area. By the 1988 count there were 6,399 elephants left in the Tsavo-Mkomazi ecosystem, less than a fifth of the herd twenty years earlier.
The turn came in 1989. Kenya scrapped its discredited wildlife department, created the Kenya Wildlife Service under Richard Leakey, rearmed and retrained the ranger force, and burned twelve tonnes of confiscated ivory in a fire deliberately staged for the world's cameras, months before the international ivory trade ban took effect in 1990. In Tsavo the recovery has been slow, real and measurable: 12,573 elephants counted in 2011, roughly 15,000 in the ecosystem today, and joint KWS and Tsavo Trust patrols flying the same country Sheldrick's rangers once walked. The full numbers, and the story of the great tuskers those patrols exist to protect, are on our wildlife page.
What you can see of this history today
The railway is still the spine of it. Driving the A109 between the parks you cross the old metre-gauge alignment and the 2017 standard gauge line within sight of each other, and the SGR's long viaducts, built high so that elephants pass underneath, are the current chapter of a story that started with a half-built bridge in 1898. The Tsavo river crossing itself is just off the highway, at the western edge of Tsavo East.
Inside Tsavo East, the Sheldrick era is the furniture. Aruba Dam, his 1952 waterworks, is still one of the most reliable places in the park to sit and let elephants come to you. Mudanda Rock, where water off the rock feeds the natural dam below, works exactly as it did when hunters watched game from the same ledge long before there was a park. Voi has been the park headquarters since 1948, and the Sheldrick Wildlife Trust's reintegration stockades nearby can be visited by prior arrangement, which is as close as you can get to the warden's garden where the orphan project began.
And if you want the hardest history, take the long drive north of the Galana to Ithumba. This is the country that was closed for years at the height of the ivory war, and it is now where hand-raised orphans walk back into the wild herds. Tsavo does not put up many monuments. It just keeps using the things its history built.
Sources
- KWS: Tsavo East National Park (checked 12 Sep 2026)
- Sheldrick Wildlife Trust: history and mission (checked 12 Sep 2026)
- David Sheldrick, biographical record (checked 12 Sep 2026)
- T.S. Corfield, Elephant mortality in Tsavo National Park, Kenya, East African Wildlife Journal 11, 1973 (checked 12 Sep 2026)
- The Elephant Problem: Science, Bureaucracy, and Kenya's National Parks, 1955 to 1975, African Studies Review (checked 12 Sep 2026)
- IFAW: From legendary hunters to elephant keepers, the Waata (checked 12 Sep 2026)
- Ngene et al., Status and trends of the elephant population in the Tsavo-Mkomazi ecosystem, Pachyderm (2013) (checked 12 Sep 2026)
- Tsavo Trust: aerial and ground conservation work in the Tsavo Conservation Area (checked 12 Sep 2026)