Tags: Mountain Range.
Serra de São Mamede (English: Saint Mammes Range) is a mountain range in Portalegre District Portugal. This range is named after Saint Mammes. Together with the Serra de Arraiolos the Serra de São Mamede is one of the few places in the Alentejo region where there might be snow in the winter.This mountain range separates the drainage basin of the Tagus to the north from the basin of the Guadiana to the south.
