Thank you, all.
Pieter - it is a rhyolite ridge, a volcanic rock that can assume green, cream-yellow, brown, etc colours depending on the composition of the minerals. The entire area is the handiwork of the Torfajökull glacial volcano and is to be seen to be believed. F208 is the Nyrðri Fjallabak (North Behind-the-Mountains)), a 4x4 track that runs through the Fjallabak Nature Reserve. There is no route for vehicles that can get you anywhere close to this green ridge. The only way in is a long hike or a flight. Just one day a year - during the September sheep roundup - vehicles are permitted to drive into an adjacent canyon (known as Jökulgil - one of the wonders of Nature) to allow farmers access. There is no marked track and it requires multiple crossings of glacial rivers. From a point deep in, they spread out on foot and on horses to gather the sheep. I was lucky this year to get permission from the head farmer to join in with our vehicle.
Jeremy - these were taken during a private flight I took over the area a few weeks ago. It is too far for a photography drone (see above).
