Each valley, known as a makhtesh, is drained by a narrow river bed.

Solva Harbour is a good example of a flooded valley known as a ria.

Considered pioneers for growing red wine grapes in a valley known for whites, they have been called "one of the area's most promising producers".

Less than two days' march to the east lay the valley known as the Swanmay's Glade.

On the south and southwest, the range is limited by the deep valley of the Etsch river, here known as the Vinschgau.

Deep within the cave - after about an hour's walking - is a hidden green valley known as the Garden of Eden.

To the northwest of the range lies the valley known as Jackson Hole.

It took them about a week to arrived at another interior valley known as Keningau.

Previously the journey was made by de-tour or over a 1 in 4 road through the bottom of the valley known locally as the Rhiw.

They cross the mountains into a raised valley, lush and green, known as Kukuanaland.