Point of geological interest which reaches 569 m above sea level and is about 1.000 m wide and 200 m deep. Way to the bottom of the caldera takes about half an hour. You can spot some interesting botanic species on the way. Visitors can also find food and refreshments kiosks here.
Wikipedia https://en.wikipedia.org/wiki/Bandama_Caldera
Hellocanaryislands http://www.hellocanaryislands.com/nature-areas/gran-canaria/bandama-natural-monument
Coordinates 28°1'53.283" N -15°27'18.362" E