'I've lived in Tenerife for 10 years - where Jay Slater went missing is treacherous and dangerous... it would be easy to get lost'

A car rental owner and blogger who moved to Tenerife from the UK 10 years ago says the 'treacherous' area where teenager Jay Slater went missing is a 'huge area' where it is 'easy to get lost'.

Andrew Knight, 29, selflessly offered up a number of his vehicles from his company Sanasty Car Hire to assist with the ongoing search, after 19-year-old Jay, from Lancashire, vanished on Monday (June 17).

Emergency workers, including the Civil Guard, mountain rescue team and fire crews, are still searching a 30-kilometre area, with the focus on three main ravines, in hopes to find the British teenager, who has not been heard from since he is said to have called his friend Lucy on Monday morning.

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His phone is thought to have later 'pinged' in an open area around half a mile north of the Masca village, at around 8.50am.

Andrew, 29, who has lived on the Spanish island for a decade after first travelling overseas during a gap year, described the Masca and surrounding Rural de Teno reserve as 'treacherous and dangerous'. He told the Manchester Evening News that it would be 'easy to get lost' for inexperienced trekkers.

"The landscape in Masca is treacherous and dangerous; steep cliffs, loose rocks, cacti everywhere and large ravines," he said. "It is extremely difficult to find someone in the landscape.

"It's a huge area, most of it difficult to walk or climb. It would be easy to get lost. Lots of the mountains all look the same, the hiking trails all lead into each other and it's difficult to work out when one ends and another begins if you are inexperienced.

"The police are working tirelessly along with volunteers, Guardia