Where does the Ultra Trail Serra da Freita (Arouca) 31K route go?
The Ultra Trail Serra da Freita (Arouca) 31K route starts at Arouca (near Escola Secundária de Arouca), Aveiro district, Portugal and finishes at Arouca, Portugal. Underfoot, expect technical mountain trail. It passes Serra da Freita, Frecha da Mizarela waterfall and Arouca Geopark. Widely regarded as one of the hardest trail races in mainland Portugal, with the 100K accumulating over 6000m of positive elevation gain.