Rupununi's a river and region in Guyana, South America. The Rupununi River runs from near the Brazilian border into the Essequibo River. The river during the flood season actually shares a watershed with the Amazon. The Rupununi region's mostly made up of savannah but contains rainforest habitat also. There're several indigenous peoples living in the area, including the Wapishana, the Macushi, and the Wai-Wai. The region's tropical rainforest and savannah and known for its great diversity of fr… (More on Rupununi)