It starts at the old medieval path near the ruin of St. Peter's Chapel (Capela de São Pedro), and leads to the ruin of Castelejo, a bird-watching spot. You can enter the Castle, which boasts panoramic views. Then we will descend by a trail to Fonte em Baixo, in the Ribeira de São Pedro stream, where we observe the riverside birds. It continues along the riverbank, you pass a bridge and go up. A section made up of pinnacle communities, in ecological balance and with dispersed rocky outcrops, until arriving at the end of the route, at the Sítio do Pico, where we have an observatory, the Prey Tower (Torre das Rapinas).