pathless

The trucked veered off the dirt road and into pathless wilderness.

Dr. Martin asks, like Axel may know the secrets of these pathless woods better than anyone else.

His route was pathless, boggy and extremely difficult.

Mountaineering groups said the dotted line crossed "potentially fatal" steep, rocky and pathless terrain, while a suggested walking route for a different mountain, An Teallach, would lead people over a cliff.

"The terrain up there was pretty terrible. It was the worst stuff, rolling pathless bogs," he said.