Don´t trust the ferry man..........
.NO FERRY ON MONDAYS! Ferry times are chanching because of low waters. To get the actual schedule use this link:
https://telemarinas.com/horarios-del-ferry-la-semana-del-18-al-23-julio/
You will not find lunes > Monday!!
Sometimes they are one or two days late. For newest schedule use the search function up right an type
Ferry. That´s all.
On Mondays or other days you can call the two fishermen : Mario Gonçalves, Tel.: +351 963 416 259 or Emidio Sebastão Nunes +351 965 836 998 You can ask for Mario at the camp site everybody knows him.
They charge 5 € per person to cross the river from Caminha to Camposancos. From Camposancos to A Guarda centre is a 3 kms walk.