Grands Causses, Limestone plateaus in Occitanie, France.
The Grands Causses is a high plateau region spanning four French departments at elevations between 700 and 1,200 meters (2,300 and 3,900 feet). Deep gorges and valleys cut through the limestone surfaces, creating varied terrain of open plains and dramatic canyons.
The region formed during the Jurassic period when warm gulf waters surrounded Hercynian rock blocks and left deposits. Alpine mountain building later shaped the landscape into the high plateaus and gorges we see today.
The region is the heartland of Roquefort cheese production, where sheep herds have grazed on the plateaus for generations. This farming tradition shapes the daily life of residents and defines the character of the landscape today.
The region offers numerous marked hiking trails through different landscapes and difficulty levels. Visitor centers in Millau and other towns provide detailed maps and help with planning outings through the area.
Monk vultures have been reintroduced to the region since 1992 and their populations are growing steadily. These large birds ride thermal currents above the gorges and can be spotted from vantage points below with patience.
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