Transportation in Azores is primarily by rental cars or guided tours. Taxis are also available but can be expensive. Public buses are available but they can be limited in terms of frequency and destinations. A rental car is highly recommended to explore different areas of the island at your convenience. The average cost of a rental car in Azores is $30-$50 per day.
If you have more time, consider visiting other attractions in Azores such as the blue-green waterfalls of Salto do Prego, the tea plantation at Gorreana, the hot springs and natural pool of Poça da Dona Beija, and the beautiful beaches of Praia do Populo and Praia de São Roque. If you have less time, consider skipping the Ribeira dos Caldeirões Natural Park visit.