The furthest source of the Nile in the Nyungwe Forest in Rwanda

Rwanda, land of a thousand hills

The Nyabarongo River cuts a swathe through Rwanda. The source of the Nile remains contested

Photographs of the victims of the Rwandan genocide fill the Kigali genocide museum

Gisovu Prison. A million people were killed during a 100 day period in 1994

Children shelter from rain in a Rwandan village. Outside of Kigali the country remains desperately impoverished

Ndoole Boston walked with me as guide and translator from December 2013 until March 2014

With Boston resting in Tanzania

The remains of Christmas lunch alongside Lake Bisongu in Tanzania

Lake Bisongu in the wild bandit country of Kagera, north-west Tanzania

Much of the journey was spent wild camping

The remains of a 6 metre Python killed by villagers on the shores of Lake Victoria after it ate a prized goat

Camping near to villages in Uganda always invited a curious crowd

Water, not always accessible from the Nile due to stagnant swamps, is a precious commodity in rural Uganda. People travel huge distances to find a well

A typical Ugandan village scene

Illegal snares recovered from the Murchison Falls National Park by rangers of the Uganda Wildlife Authority

Poaching is rife across East Africa as human populations extend deeper into animal habitats. Trade in bush meat has brought some species to the verge of extinction

Vast areas of savannah and forest are being cut down and burnt at alarming rates as the demand for charcoal and sugar cane increases

In northern Uganda Kakwa children hunt for bush rat and small antelope with homemade bows

Florence, (later renamed Samuel after a biological oversight) the vervet monkey I rescued on the Victoria Nile, joined the expedition for several days before being taken in by Entebbe Wildlife Centre

Elephants in Murchison Falls National Park. Although populations are recovering here slowly, across Africa the ivory trade means that they are severely endangered and could be extinct in the wild within ten years unless poaching is stopped

Walking through the Murchison Falls National Park, home to Africa’s densest populations of hippos and crocodiles

Murchison Falls, named by Samuel Baker in 1864 in his quest for the source of the Nile

Jason Florio and Matt Power, the day before Matt tragically died

Mundari cattle camp near Terekeka on the edge of the Sudd Swamp, South Sudan

Cattle are the primary source of wealth in South Sudan and are revered and fought over by the main tribal groups

Getting thoroughly defeated in traditional Mundari wrestling

Herdsmen in South Sudan use ash made from burnt cow dung to cover their skin as protection against sun and mosquitoes

Bor town, South Sudan. It was the front line of the civil war for several weeks in early 2014 and much of the town was destroyed in the fighting

One of the SPLA minders escorting me in South Sudan

The bank in Bor had been looted several times as government forces and rebels fought to regain control. The date stamps indicate when the town changed hands

Moez Mahir walked with me across the whole of Sudan

After crossing the Sahara desert

The Bayuda Desert in Sudan where temperatures regularly exceeded 122 degrees

Setting up camp in the shadows of the Pyramids of Meroe, capital of the Kushitic Kingdom

The Pyramids of Meroe, unlike their Egyptian counterparts, don’t get many visitors

The tops of the Pyramids were blown off with dynamite after the tomb raider Giuseppe Ferlini came in search of gold in 1834

Awad and Ahmad of the Bedouin Hawawir tribe joined the expedition to look after the camels for 46 days

Camels (left to right) Speke, Gordon and Burton

With Mahmoud ‘Turbo’ Ezzeldin in Upper Egypt

Walking around Lake Nasser, the formidable reservoir formed after the creation of the Aswan High Dam in 1964, which flooded ancient Nubia and caused the resettlement of over 50,000 people

Moored Nile cruise ships indicate a decimated tourism economy. Only one of the original 300 remained in service in the summer of 2014

Rubbish collectors in El Zabaleen in Cairo, one of the country’s Christian enclaves

Nearing the finish at Rashid, surrounded by a military escort and the governor of Beheira

The end. The Mediterranean Sea after walking almost 4,000 miles