Haller Park
Haller Park is a limestone quarry that was turned into a forest. The ground it stands on was stripped bare by Bamburi Cement, and everything growing there now was put there deliberately, starting from a floor so hostile that only one tree species out of more than twenty-six trialled would survive on it. The animals are the reason most people come. The rehabilitation is the reason the place matters.
What the Site Was
Cement making at Bamburi, on the coast a short way north of Mombasa, meant quarrying coral limestone, and quarrying coral limestone meant removing everything above it. What was left behind was not degraded land in the ordinary sense. It was an excavated floor with no topsoil, no vegetation and no seed bank, air temperatures reaching around forty degrees, and groundwater that had turned saline. Descriptions of the quarry from the period reach for the same comparison repeatedly: it looked like the moon.
René Haller and the Rehabilitation
René Haller is a Swiss naturalist trained in horticulture, landscaping and tropical agronomy. He came to Africa in 1956 to run a coffee plantation on the Tanzanian side of Kilimanjaro, and in 1959 was recruited by Bamburi Cement to head its garden department and grow food for the company’s employees. In 1970 he persuaded the company to let him attempt something considerably larger: rehabilitating the worked-out quarries along the coastline.
The first stage was simply finding anything that would grow. More than twenty-six tree species were trialled and only the casuarina, an Australian species whose needle-like foliage resists water loss, came through. Even the casuarinas began to fail after about ten months, until Haller noticed that wild casuarinas thriving on the sand dunes carried dense hair roots full of micro-organisms living in symbiosis with the tree. He introduced those organisms into the quarry, and the trees took.
The second stage is the part that gets retold, and it deserves to be. Casuarina needles fall, and they do not rot: they pile up as a dry mat that nothing breaks down. Haller observed a red-legged millipede, the animal known locally as a Mombasa train, feeding on the needles, and introduced millipedes into the quarry forest in quantity. Their droppings were broken down by bacteria far more readily than the needles were, and out of that came the first layer of humus on a surface that had none. Soil was manufactured, biologically, from the bottom up.
After about a decade the plantation had produced a new microclimate under its own canopy. The casuarinas were thinned, indigenous species were planted into the gaps, and insects, butterflies, birds and reptiles arrived on their own. Over a million trees went into the quarry over the course of the project. It opened to the public as the Bamburi Nature Trail and was later renamed Haller Park in recognition of the man who built it. The work was honoured by the United Nations Environment Programme with a place on the Global 500 Roll of Honour.
This is the practical point of the whole story, and it is why conservationists visit as well as tourists: the sequence here was not protect, then recover. It was manufacture a soil, then build an ecosystem on top of it, on ground that had been rendered sterile. That is a repeatable method, and Haller went on to apply it to other degraded sites on this coast.
What Lives There Now
The park is a wooded reserve with water, and its animals are largely rescued, rehabilitated or introduced rather than wild arrivals. Giraffe, hippo, buffalo, waterbuck, eland, oryx, bushbuck, crocodile, tortoise, monkeys and a long bird list are the residents, and Haller Park states that it shelters more than thirty species on the IUCN Red List. There is a butterfly pavilion, a reptile section, a botanical garden, forest trails and a fish-farming operation, the last of which is part of the original ecological design rather than an add-on.
The park’s best-known residents were Owen, a young hippo swept out to sea near Malindi around the December 2004 Indian Ocean tsunami and brought here after rescue, and Mzee, an Aldabra giant tortoise whose size, shape and colour Owen apparently took for another hippo. The two were inseparable for over a year and the story went around the world. Owen was eventually moved to his own enclosure once he had grown too large for it to be safe.
Visiting Haller Park
The park is at Bamburi, off the Mombasa to Malindi road, and opens daily from 8am to 5pm including weekends and public holidays. Allow at least two hours. Giraffe feeding from a raised platform runs at scheduled times and is the fixture most visitors plan around, so check the times on arrival rather than assuming.
Admission is charged on a tiered basis by citizenship and residency, and adults are asked to present identification, so bring a passport or ID. Haller Park publishes its price list as a downloadable document that is revised from time to time; no figure is quoted here, and the current rate should be taken from the park directly. Single-use plastics are prohibited inside. The park also runs school programmes, camping on the forest trails and event hire.
Haller Park sits on the north coast and pairs naturally with a beach stay at Nyali, Bamburi or Shanzu, or with Jumba la Mtwana a little further up the same road, rather than with a day on Mombasa Island. Wildlife conservation experiences in Kenya covers the wider set of rescue and rehabilitation sites, and the Mombasa guide has the transport.
Haller Park Questions
Is Haller Park a national park?
No. It is a privately owned reserve on land belonging to the Bamburi cement operation, created out of its worked-out quarries, and it is not part of the Kenya Wildlife Service system. Park entry rules and fees are the operator’s own.
Can you feed the giraffes?
Yes, from a raised platform, at scheduled feeding times included with admission. Feeding any other animal in the park is prohibited.
Is it suitable for children?
It is one of the more child-friendly attractions on the coast: short flat trails, animals at close range and a genuine conservation story attached. Paths must be kept to and quarry excavation areas are off limits.
Are the animals wild?
Mostly not. The park’s larger animals were introduced or arrived as rescues and rehabilitation cases, which is a consequence of the site’s history: nothing at all lived on this ground before it was replanted. The insects, birds and reptiles largely colonised it by themselves.
5 Places to Visit in This Area
Other sites in Mombasa, each with its own guide.
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