0 a large valley with very steep sides and usually a river flowing along the bottom
1 a deep valley with steep sides and usually a river flowing along the bottom
Concentrating on the task at hand, he moved slowly but confidently down the canyon, only to find a large boulder blocking his path.
He worked his way slowly down the canyon, pushing himself carefully between the narrow walls in search of handholds and supports.
On April 26, 2003, after spending the night in his truck, he cycled south to the canyon entrance.
The space between the canyon walls measured no more than a meter across.
And one night their herd stampeded and was checked only in time to save it from going over the canyon's edge.
Behind her the narrow and broken trail led to the top of the canyon wall.