Amazonian Ruins Reveal Ancient ‘Garden Urbanism’

An archaeological site shows evidence of a unique layout of dense residential buildings interspersed with a network of roads and farmland.

1 minute read

January 16, 2024, 10:00 AM PST

By Diana Ionescu @aworkoffiction


Aerial view of the Sangay volcano in Ecuador at sunrise or sunset.

Ecuador's Sangay volcano provides fertile soil for farming communities to this day. | pangamedia / Adobe Stock

A set of newly unearthed ancient ruins reveal a unique style of ‘garden urbanism,’ writes Kiona N. Smith in Scientific American.

The site, in Ecuador’s Upano Valley, features “more than 6,000 earthen platforms that once supported houses and communal buildings in 15 urban centers, set amid vast tracts of carefully drained farmland and linked by a network of roads.” The layout is unique to Amazonia, with the nearest similar design seen in Central America. 

According to Smith, “Nearly all the open space between communities would have been covered with hundreds of hectares of fields, bordered by shallow drainage ditches that fed into deeper canals. That close link between the fields and the urban centers of the Upano Valley is a unique hallmark of the landscape and the people who built it.” The site, known as Sangay, was likely built around 2,500 years ago.

Researchers say the Huapula, who still live in the region, moved into the site after it was abandoned between roughly 300 and 600 C.E. to take advantage of the existing infrastructure.

Thursday, January 11, 2024 in Scientific American

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Cover CM Credits, Earn Certificates, Push Your Career Forward

Aerial view of town of Wailuku in Maui, Hawaii with mountains in background against cloudy sunset sky.

Maui's Vacation Rental Debate Turns Ugly

Verbal attacks, misinformation campaigns and fistfights plague a high-stakes debate to convert thousands of vacation rentals into long-term housing.

July 1, 2025 - Honolulu Civil Beat

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

July 9, 2025 - Diana Ionescu

Map of Haussmann's redesign of Paris in the 1850s through 1870s under Napoleon III.

In Urban Planning, AI Prompting Could be the New Design Thinking

Creativity has long been key to great urban design. What if we see AI as our new creative partner?

June 30, 2025 - Tom Sanchez

Green vintage Chicago streetcar from the 1940s parked at the Illinois Railroad Museum in 1988.

Chicago’s Ghost Rails

Just beneath the surface of the modern city lie the remnants of its expansive early 20th-century streetcar system.

15 minutes ago - WTTV

Red and black pavilion with visitor information in public park in Knoxville, Tennessee.

Baker Creek Pavilion: Blending Nature and Architecture in Knoxville

Knoxville’s urban wilderness planning initiative unveils the "Baker Creek Pavilion" to increase the city's access to green spaces.

2 hours ago - Dezeen

Adult holding hands of two children, all wearing winter coats, in crosswalk in New York City during holidays with trees decorated with lights in background.

Pedestrian Deaths Drop, Remain Twice as High as in 2009

Fatalities declined by 4 percent in 2024, but the U.S. is still nowhere close to ‘Vision Zero.’

4 hours ago - Streetsblog USA