Maras Salt & Moray Terraces: The Ancient Roots of Peruvian Gastronomy

Long before modern Peruvian cuisine conquered the world’s top restaurant lists, the foundation of our flavors was being meticulously engineered high in the Andes. Carved by the sacred waters of the Urubamba River (the Willkamayu), the Sacred Valley of the Incas was the agricultural heartland of the Tahuantinsuyo empire. When travelers join our hands-on cooking classes in Cusco, they are always amazed by the sheer diversity of our 4,000 native potatoes, royal tri-colored quinoa, and giant corn. Yet to understand how these ingredients came to exist, one must journey into the extraordinary landscapes of Moray and Maras.

1. Moray (3,500 m): The Inca Agricultural Research Laboratory

At first glance, the archaeological complex of Moray looks like a set of extraterrestrial green amphitheaters sculpted deep into the high-altitude plateau above Urubamba. Unlike standard linear agricultural terraces (andenes) built on mountain slopes, Moray consists of three massive, concentric circular depressions—the largest plunging 30 meters (98 feet) into the earth across twelve terraced rings.

Botanists and archaeologists agree that Moray functioned as the Inca Empire's premier agricultural research and domestication station. By combining dark stone retaining walls that absorb solar heat by day and radiate it at night with distinct wind-shielded depths, the Incas engineered a temperature difference of up to 15°C (27°F) between the top rim and the lowest circle—creating up to 20 distinct microclimates in a single site.

Pollen analysis of Moray's soils reveals that the Incas imported fertile earth and seeds from the Amazon rainforest, the Pacific coast, and high mountain valleys, gradually hybridizing and adapting wild tropical crops to thrive at high altitudes. Moreover, thanks to a subterranean foundation of porous gravel and natural sinkholes, Moray never floods—even during the heaviest Andean rainy season.

"The Sacred Valley is not merely an archaeological wonder; it is the open-air laboratory where Inca agronomists bred the superfoods that feed the world today."

2. Salineras de Maras (3,300 m): 3,000 Pre-Inca Pink Salt Pans

Just seven kilometers from Moray lies one of the most breathtaking and surreal culinary landscapes on Earth: the Maras Salt Mines (Salineras de Maras). Cascading down the steep walls of a red-clay canyon are more than 3,000 terraced evaporation pools, glowing in brilliant shades of ivory, blush pink, and terracotta against the Andean peaks.

How does saltwater exist at 3,300 meters (10,826 feet) high in the Andes? Deep inside Qaqawiñay mountain, a subterranean geothermal spring called Qoripujio flows through prehistoric marine salt deposits formed 110 million years ago when the Andes were still beneath the sea. Harvested continuously since pre-Inca Wari times, local families from the communities of Maras and Pichingoto channel this warm, hypersaline stream into shallow clay ponds. As the intense Andean sun evaporates the water over several weeks, three distinct layers of gourmet salt crystallize:

• Flor de Sal (Flower of Salt): The delicate, paper-thin crystals that float on the very surface of the pond, prized as a finishing salt.
• Sal Rosada de Maras (Extra Grade Pink Salt): The mineral-rich middle layer—naturally pink from iron, magnesium, calcium, and zinc—which we proudly use to season every single dish in our Cusco Cooking Studio.
• Third Layer: The coarse bottom layer used traditionally for curing meats and agricultural mineral blocks.

3. Giant White Corn & The Living Heritage of Chinchero and Ollantaytambo

Descending from the plateau of Maras and Moray to the lush valley floor of Urubamba (2,870 m) reveals why the Incas considered this river valley sacred. Fed by glacial runoff and protected by towering peaks, Urubamba is the exclusive home of Sacred Valley Giant White Corn (Maíz Blanco Gigante del Cusco)—an heirloom crop with Protected Designation of Origin whose eight-row ears produce the largest, sweetest, most floury corn kernels on the planet.

At either end of this agricultural corridor stand two living monuments to Andean continuity: in the high plateau town of Chinchero (3,762 m), Quechua master weavers still dye alpaca wool using purple corn, cochineal, and native flowers above the terraces of Emperor Túpac Yupanqui; while at the western gateway of the valley stands Ollantaytambo (2,792 m)—a monumental pink-granite Inca fortress and the only surviving "Living Inca City" where water still rushes through 500-year-old stone channels alongside occupied Inca homes.