view of volcanic crater caldera de los marteles in the central mountains of island gran canaria, spain on sunny day.

volcanism volcanic valley tourist tenteniguada mountains marteles gran canaria canary islands caldera activity atlantic beautiful blue bush caldera marteles clear crater destination espacia espacio natural especial especial forest geology grand canary island green hike hiking hill island landscape meadow mountain natural nature people plant scenic sightseeing sky spain spanish sunny sunshine tourism travel tree trip vegetation view