It is confined between perpendicular cliffs resembling stone walls, varying in height from eighty to one hundred and fifty feet, on which lies a mass of fine sand.

The body of the river pent within this narrow chasm dashed furiously round the projecting rocky columns and discharged itself at the northern extremity in a sheet of foam.

The canoes, after being lightened of part of their cargoes, ran through this defile without sustaining any injury.

Accurate sketches of this interesting scene were taken by Messrs.

Back and Hood.