province's most important dam; Embalse Río Hondo on the Hondo River; La Angostura on de los Sosa River; and Escaba on the Marapa River. The Santa María River crosses...

65°44′51.8″W / 27.637139°S 65.747722°W / -27.637139; -65.747722 24 1948 Marapa River San Roque 31°21′11.9″S 64°23′37.5″W / 31.353306°S 64.393750°W /...

total area of 1,678 km². Two rivers, Marapa and San Francisco, flow across the department and empty in the Rio Hondo Lake in the northeast end. There...