Wadi el-Hitan (Valley of the Whales)

Why are there whales in the desert?

Around 40 million years ago this part of the Sahara lay under the shallow southern edge of the Tethys Sea, and the whales that died in its warm lagoons were buried in sediment that has since been stripped back by wind. The sandstones and shales of the valley are full of marine life: sharks' teeth, turtles, sea snakes, sea cows, crocodiles and the fossilised roots of mangroves that once lined the shore.

The stars are the archaeocetes, the ancestors of modern whales. Basilosaurus, a serpentine predator that could exceed 15 metres, and the smaller Dorudon were fully marine, yet both still carried tiny hind legs with knees and toes. In 1989 a team led by the American palaeontologist Philip Gingerich excavated those legs from skeletons here, publishing the find in 1990, one of the clearest pieces of evidence for how whales evolved from land mammals. That story, rather than the scenery alone, is why UNESCO listed the valley in 2005. Geologists of the Egyptian survey first reported whale bones in the area in the early 1900s, which is why older books call it Zeuglodon Valley.

What you see on the fossil trail

A marked trail of a few kilometres loops through the valley floor, passing a series of skeletons left where they were found, each roped off and labelled, with low stone shelters along the way for shade. Some are near-complete, with vertebrae laid out in a long curve and ribs still in place; others are a skull or a run of backbone poking out of the sand.

• Whale skeletons in situ: the longest specimens stretch well over 10 metres, and your guide can point out where hind-limb bones were recovered.
• Fossil mangroves: tubular root structures standing proud of the ground, evidence of the old coastline.
• Wind-carved rock: the honey-coloured formations around the valley, sculpted into mushrooms and towers, are as photogenic as the fossils.
• Garet Gohannam: the dark, cone-topped hill overlooking the valley is the landmark everyone photographs at sunset.

Walking the whole loop at an easy pace with stops takes about two hours. The ground is mostly flat sand and gravel, so it suits anyone who can manage a moderate walk in the heat; carry at least a litre and a half of water each.

The Fossils and Climate Change Museum

Near the visitor area an underground museum, opened in 2016 with Italian support, displays a complete Basilosaurus skeleton under glass along with fossils, maps and displays on the region's changing climate. It is built low into the hillside to keep it cool and blend with the landscape, and it makes a good start before you walk, because the skeletons on the trail make much more sense once you have seen a whole animal reassembled.

Allow 30–45 minutes. Labels are in Arabic and English. Opening hours and arrangements for the museum can change, so check before you go; the visitor area has toilets and a simple café, but don't rely on it for food.

Getting there and how long to allow

Wadi el-Hitan is roughly 150 km south-west of Cairo, about three hours from Giza, and the final stretch is a desert track best tackled in a 4WD with a driver who knows the route. The usual route follows the Cairo–Fayoum desert road, skirts the southern edge of the basin past the Wadi el-Rayan lakes, then leaves the tarmac for the valley. Sedans do sometimes make it in good conditions, but soft sand and corrugations make a 4WD the sensible choice.

As a day trip from Cairo you need an early start: leave Giza by 6.30am, reach the valley around 9.30am, spend three hours on site, then stop at the Wadi el-Rayan waterfalls on the way back. It is a long but rewarding day. Staying a night in Tunis village cuts the drive to about an hour and a half each way and makes a sunrise or sunset visit possible. Our Fayoum Oasis guide sets out how the valley fits with the rest of the region.

Can you camp at Wadi el-Hitan?

Yes: there is a designated campsite in the protected area, and a night here, with the skeletons silhouetted at dusk and a sky full of stars, is the best way to experience the valley. Camps are run by licensed operators who bring tents, mattresses, a cook and a campfire; you cannot simply pitch a tent anywhere, and protected-area rules require you to stay in permitted zones and take all rubbish out.

Winter nights from December to February can drop close to freezing, so bring a warm layer and a beanie even though days are pleasant. Light pollution is minimal, which makes this one of the best stargazing spots within reach of Cairo. For what to pack and what desert camps are like, read our desert camping guide.

Tickets and practical tips

Wadi el-Hitan is a nature protectorate managed by Egypt's environmental authorities rather than a Ministry of Antiquities site, so you pay an entry fee at the protected-area gate, plus a vehicle fee. Fees are set separately for Egyptians and foreigners and change from time to time; check the current amount locally or with us before you go.

• Go from October to April. From May to September the valley floor is fiercely hot by 10am, with almost no shade.
• Arrive early or late: low light brings out the texture of the bones and the rock.
• Never touch, move or pocket fossils. Removing them is illegal and rangers patrol the site.
• Desert excursions may be registered with or escorted by tourist police; your driver handles this.
• Mobile coverage is patchy, so download offline maps and tell your hotel your plans.