A faint musical murmur reached their ears.
"It's a cascade," announced Havens. "Let's steer for it."
As they progressed, the sound changed into a steady roar. It was not difficult to guide themselves by it, nor easy to go in a direct line, on account of irregularities in the mountain slope. Dense masses of vegetation also interfered, but by persevering for about fifteen minutes the boys emerged from a heavy belt of timber, to find an extensive prospect opening out before them.
"Gee willikens! Isn't that a wonderful sight!" cried Dick Travers, enthusiastically.
"Oh, ho—the finest I ever saw," sighed the "poet."
"Perfectly stunning!" burst out Bob Somers, while Havens smiled at their enthusiasm.
Rising almost perpendicularly, a gigantic wall of whitish rock jutted out from the side of a gorge. Perhaps a hundred feet above them, a foaming, glittering stream dashed over the edge, spreading out like a fan in its descent, and dashing with a thunderous roar upon the rocks below. Clouds of mist rose above the boiling, bubbling water and showers of dancing drops glittered like diamonds in the sunlight.
The four approached the edge of the ravine that hemmed in the torrent. Havens, shouting at the top of his voice, explained that a short distance further along there was another cascade.
Dave nodded. Then he slowly raised his arm and pointed upward to the mountain slope beyond.
Several animals on the heights above the cascade were seen moving about, now and then leaping lightly from rock to rock.