Venture into brazils mata atlntica atlantic forest on a half day eco tour from so paulo traveling to cantareira state park by private vehicle youll catch a breath of fresh air in the dense forest landscape that surrounds the city declared a so paulo city green belt biosphere reserve by unesco as you hike the trails with a local guide enjoy plenty of bird watching opportunities along with breathtaking views of the sprawling city below during the weekends the eco tour is held at ca