For a natural experience of a different kind, make your way to the steaming pools of Termas De S. Pedro Do Sul. This place is renowned for its mineral-rich waters.
You'll soon learn why this Sao Pedro do Sul naturally heated water source is visited by many travelers. If you're searching for other things to keep you busy, Termas de Sao Pedro do Sul Hot Springs, Museu do Caramulo, and Termas Gardens are in the area as well. They won't take you long to reach from Termas De S. Pedro Do Sul.