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Where are the Tumuc-Humac Mountains located?
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The Tumuc-Humac Mountains are located in the southern region of French Guiana, where they form the border between French Guiana, Suriname, and Brazil.123
As an eastern extension of the Acarai Mountains, this range stretches approximately 180 miles (290 km) in an east-west direction. Within French Guiana, these mountains are part of the Guiana Highlands and serve as a significant feature of the landscape, reaching elevations of up to 2,300 feet (700 meters) within the territory. The range also functions as part of the northern watershed for the Amazon River basin.124