Input (grade 13): Reta Oposta is succeeded by a pair of downhill left turns that are called "Descida do Lago" ("Lake Descent") (4 & 5) into a short straight sector that goes down again.
Output (grade 5): Next are two left hand, downhill turns that are called "Descida do Lago" (Lake Descent) and "Mergulho" (Dive). Then there is a short straight section that goes downhill.