Aswan High Dam and the reshaped Nile at Assuan

Aswan High Dam above Assuan in southern Egypt is a vast rock-fill barrier that turns a long stretch of the Nile into the broad waters of Lake Nasser. Built between 1960 and 1970, it stands as one of the most imposing engineering works of the twentieth century along the river in Egypt.

A rock-fill giant on the Nile at Assuan

Aswan High Dam spans the Nile just south of Assuan, at the point where the river enters Egypt near the border with Sudan. It is a rock-fill structure, formed from huge quantities of granite rock, sands and other materials compacted into an embankment that blocks and regulates the river at this narrow valley.rock-fill dam across the Nile The dam’s crest stretches for 3,830 m (12,570 ft), giving the barrier a horizontal scale that is best appreciated from the road that crosses its top.3,830 metres long

In vertical section, Aswan High Dam rises about 111 m (364 ft) above its foundations, forming a thick, sloping wall of engineered earth with a broad base that narrows towards the crest.111 metres high The crest itself carries a two-lane carriageway and guard rails, from which travellers see the river narrowed on one side and the expanse of Lake Nasser on the other. On the downstream side, the dam’s face drops in long, even slopes laid out in benches, making the geometry of the embankment clear even from a distance.

Twentieth-century construction and Lake Nasser

Construction on Aswan High Dam began in 1960 under President Gamal Abdel Nasser, with extensive input from Soviet engineers working alongside Egyptian teams.construction began in 1960 The structure was completed in 1970 and formally inaugurated in 1971, marking the end of a major national project that reshaped Egypt’s relationship with the Nile in the late twentieth century.completed in 1970

Upstream of the dam lies Lake Nasser, the reservoir created by impounding the Nile’s waters. This artificial lake extends for several hundred kilometres along the river valley, covering a large area of former Nubian lands and reaching across the frontier into Sudan, where the continuation of the water is known as Lake Nubia.reservoir extends for 500 km From the crest road, the lake appears as a wide, calm sheet of water punctuated by low, rocky islands and distant banks, quite distinct from the narrow, fast-flowing river below the dam.

Power, control and the landscape around the dam

At the downstream base of Aswan High Dam sits the hydroelectric power station, equipped with multiple turbines that harness the head of water to generate electricity for the national grid.12 turbines generate power The dam also regulates the annual Nile flood, collecting high flows in Lake Nasser and releasing them in a controlled way to feed irrigation canals and maintain navigation, turning a once highly seasonal river into a more predictable water source for agriculture and settlement along its banks.controls the annual Nile flood

The wider landscape around the dam reflects this new hydrological order. Downstream, the Nile flows between rocky banks with a steady level, while upstream the reservoir fills a broad valley with water, backed by desert hills. The older Aswan Dam, completed in the early twentieth century, stands downstream as a lower barrier and is visible from some vantage points as a separate structure. Along the shores of Lake Nasser, relocated monuments such as Abu Simbel now rise above the waterline, moved to higher ground before the filling of the reservoir to preserve them from submergence.relocation of Abu Simbel

Visiting Aswan High Dam: what travellers from Western Europe should know

• Aswan High Dam stands south of Assuan in Upper Egypt, spanning the Nile close to the country’s border with Sudan. It is reached by road from Assuan, with vehicles crossing the crest of the dam itself.
• The site is set in a desert landscape with exposed rock and wide water surfaces. On a visit, travellers cross open ground and paved areas on foot, including the crest road and viewpoints overlooking both the downstream river and Lake Nasser.
• Assuan lies in southern Egypt on the Nile, with domestic flights and railway services linking it to other Egyptian cities. The official language is Arabic and the currency is the Egyptian pound.
• Entry requirements depend on your nationality; UK travellers can check the FCDO travel advice at gov.uk/foreign-travel-advice, Irish travellers the Department of Foreign Affairs at ireland.ie.

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Frequently asked questions about Aswan High Dam

Where is Aswan High Dam and what does it span?

Aswan High Dam lies just south of Assuan in Upper Egypt, spanning the Nile River near Egypt’s border with Sudan and forming the upstream reservoir of Lake Nasser.

What can travellers expect when visiting Aswan High Dam?

Travellers encounter a broad embankment carrying a road across the crest, viewpoints over the river and Lake Nasser, and a desert landscape of rock, water and engineered structures.

What makes Aswan High Dam distinctive among major dams?

Aswan High Dam is distinctive as a twentieth-century rock-fill embankment more than 3,800 m (12,570 ft) long and 111 m (364 ft) high, impounding the vast reservoir known as Lake Nasser.