pass, col, arroyo, dell, dale, crevasse, flume, coulee, glen, defile, couloir, saddle, gulch, linn, gulley, box canyon, gorge, valley, gill, kloof, basin, canyon.
She has named it the Ravine
He passed down the ravine
until he reached a point where the sides were not so high.
I went quietly forward in the edge of the woods until I stood near the ravine,
and examined it as well as I could for the darkness.