Mountain ranges and sets of rocky hills surround parts of the city , including the Serra do Mar ( Portuguese for `` Mountain Range of the Sea '' ) , located in the east that separates the plateau from the coast of Paraná .
There are mountain ranges and sets of rocky elevations in almost all around the city , being the most remarkable and impressive of the Serra do Mar ( Portuguese for `` Mountain Range of the Sea '' ) , in the east that separates the plateau from the coast of Paraná .