What was the Incas greatest engineering feat?
“The Inka managed to expand and sustain the longest road system in Pre-Columbian America, and perhaps the world, across one of the most difficult terrains on earth,” says Matos. The Inka Road crosses three regions: the coast, mountains and jungle.
The Incas built roads across the length of and width of their empire. To create routes through steep mountain ranges, they carved staircases and gouged tunnels out of rock. They also built suspension bridges over rivers. Thick rope cables were anchored at stone towers on either side of the river.
The Inca civilization was known for its advanced knowledge of hydraulics and water management, which enabled them to create sophisticated irrigation systems, aqueducts, and fountains.
The Inka Empire expanded and thrived, in part, because of its engineering prowess.
Some of their most impressive inventions were roads and bridges, including suspension bridges, which use thick cables to hold up the walkway. Their communication system was called quipu, a system of strings and knots that recorded information.
The Incas began as a small tribe that steadily grew in power to conquer other civilizations all down the coast from Colombia to Argentina. They are remembered for their contributions to religion, architecture, and their famous network of roads throughout the region.
Remnants of the Inca's extraordinary skills dot the lands over which they once ruled: a suspension bridge built from biodegradable materials, a well-organized road network protected by containment walls and, of course, Machu Picchu.
“Primarily because the Inca controlled water,” Fiori says: They observed its natural course and directed it, preventing erosion. As someone who spent 35 years teaching engineering, I know we can learn much from the Inca, who intuitively grasped how to build structures that harmonized with nature.
The Incas were magnificent engineers. They built a system of roads and bridges across the roughest terrains of the Andes. Through their system of collective labor and the most advanced centralized economy, the Incas were able to secure unlimited manual labor.
Roads and Communication
The Incas built a large system of roads that went throughout their empire. The roads were usually paved with stone. Stone steps were often built into steep areas in the mountains. They also built bridges where the roads needed to cross rivers.
What is considered the greatest example of Incan engineering quizlet?
What is considered the greatest example of Incan engineering? The road network. What event marked the start of the downfall of the Incan Empire?
Inca Achievements
The Inca also developed sophisticated calendars, elaborate textiles, functional and decorative ceramics, surgical techniques, productive terrace agriculture and the use of coca leaves as medicine and in religious ceremonies. They also practiced mummification of their dead.

Today, trepanation is known as a craniotomy. The Incas performed trepanations using bifacial, obsidian tools to create incisions in patients' skulls. In later years, bronze and copper tools were used for these same procedures.
They developed resilient breeds of crops such as potatoes, quinoa and corn. They built cisterns and irrigation canals that snaked and angled down and around the mountains. And they cut terraces into the hillsides, progressively steeper, from the valleys up the slopes.
- Itaipu Dam, Brazil/Paraguay.
- Great Man-made River, Libya.
- Akashi Kaikyo Bridge, Akashi Strait, Japan.
- Grand Canyon Skywalk, Arizona, USA.
- Qinghai-Tibet Railway, China.
- The Palm Islands, Dubai, UAE.
- Delta Works and Zuiderzee Works, the Netherlands.
- Millau Viaduct, France.
One of the greatest engineering accomplishments in the ancient world, and certainly one of the best-known, was the construction of the Egyptian pyramids. The Egyptian pyramids were built in the period from approximately 2700 to 2200 BC.
Inca architecture is widely known for its fine masonry, which features precisely cut and shaped stones closely fitted without mortar ("dry"). However, despite this fame, most Inca buildings were actually made out of fieldstone and adobe as described above.
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