Difficulty level: moderate - Circular route that starts and ends in Termas de Monfortinho MTB centre and its difficulty level is moderate. The route crosses Monfortinho town centre and passes though an abandoned village near the Serra de Piedras Niñas, characterized by its curious rock formations that look like girls. From here the path descends along Galvão River reaching out to a small village called Torre. The path continues along with Erges river returning to Monfortinho to close the circle.