El Dorado, Venezuela El Dorado, Venezuela El Dorado is a small town in eastern Venezuela. It is situated in Bolívar State, on the Cuyuni River. It is the second-largest town in Sifontes Municipality; the capital of the municipality is Tumeremo. It is on the road to Brazil. El Dorado has a small airport . El Dorado was founded in the 1890s. Gold mining was developing in the area, and there was a background of international tension caused by the Essequibo border dispute between Venezuela and Britain. The town has a prison, the "Centro Penitenciario de Oriente El Dorado". The Venezuelan prison system is
El Dorado Lake two pre-existing smaller reservoirs: Bluestem Lake and the original El Dorado Lake. The original El Dorado Lake was built on Satchel Creek in 1927 as a water supply for the community of El Dorado. Bluestem Lake was built on Bemis Creek in the 1950s. The dams of both reservoirs were breached during the building of the larger El Dorado Lake and their waters subsequently inundated. The remnants of Bluestem Lake's dam are still visible in the Shady Creek arm of the present-day reservoir. El Dorado Lake is located at (37.8472402, -96.8230838) at an elevation of . It lies in the