Take a dolphin and whalewatching cruise from Los Gigantes (whalesanddolphinsoftenerife.org). Go hiking – Tenerife (£12.99; Sunflower) has self-guided walks with maps. Head to the island capital ...

The impressive structure of Los Gigantes Hotel looks lost and out of place perched uneasily atop a deserted Tenerife promontory. But that photograph is over forty years old and it now takes pride ...