Monumento Natural de Caldera de Gairía y Cuchillos de Vigán Nature · Tuineje, Fuerteventura, Las Palmas Image of Tuineje, not of the place itself. Protected natural areas inland in Tuineje that each preserve a volcanic formation: a well-preserved explosion crater at Gairía and an eroded relief of sharp ridges ("cuchillos") at Vigán, both within the Parque Rural de Betancuria. Photo: Frank Vincentz (CC BY-SA 3.0) What to see and do in Tuineje