Rogagua Lake
Rogagua Lake is a lake in the pampas area in the northern Bolivia, in the José Ballivián Province of the Beni Department.
Laguna Rogagua and some smaller lakes are north of Santa Rosa, Beni, Bolivia, and north east of Rurrenabaque and Reyes, Bolivia. Some of the popular pampas tours from Rurrenabaque go to the area of Laguna Rogagua or to the area of the Yacuma River.
Partial and shortened translation from the Spanish Wikipedia:
