Watch day turn to night as you descend into the dark recesses of Gruta do Carvao. Equipped with a reliable flashlight and a sense of adventure, there's no telling what you might discover down there.
Head on over to Ponta Delgada, pay the entrance fee and discover why Gruta do Carvao is a hit with travelers. You might like to hang around a while, because there are some other worthwhile attractions near this natural underground attraction. Ponta Delgada Harbour, Ponta Delgada City Gates and Milicias Ocean Beach are a few recommendations.