We seemed to be flying over an impenetrable jungle.

Much of it is nearly impenetrable jungle that can be reached only by helicopter or boat.

Then his gaze turned to the impenetrable jungle along the north bank.

Truth two is he died out there in some godforsaken impenetrable jungle where nobody will ever find him.

The impenetrable jungle closed in around them again, close and hot.

"You would have to cut cross-country through the impenetrable jungle," he pointed out.

The other islands in the group were mostly impenetrable jungle or volcanic waste.

Still, what's a few miles trekking through impenetrable jungle?

The land area is covered with an impenetrable jungle which has many endemic animal species.

"We have trekked for days through the almost impenetrable jungle," he replied.