By evening, they were going down again, into a deep canyon.
He was staring into the mouth of a long, deep canyon.
To the left is a deep canyon, whose walls are difficult to scale.
To my right an old trail led down into a deep canyon that opened upon the beach.
Plenty of sites along the river until you get into the deep canyon where there's nothing to live on.
"That explains why some deep canyons are dark the same way all the time and others aren't."
It then runs toward the northwest in a deep canyon.
I wandered into an area of small, deep and dark canyons.
The river was now often in a deep canyon, and the road had to veer away from it.
Part of its course is in a deep canyon.