Gulch.
The ravine was so rocky that the man triped Hope this helped
Dry bed or river bed
Dry bed or river bed
the ravine was so deep
Ravine means narrow valley.
Ravi.
unseen
the ravine was so deep that the man plunged in to the heavy rocks
Take the horse down to the ravine so that he won't be conspicuous to anyone who rides by.
The opposite of a ravine is a hill or rise.
The deep, plunging ravine seemed to go on forever, but at last, I heard the clink of my penny, and retreated.