The chasm grew hazy with the soft light of evening and the mystery of the bends deepened.

There was no obstruction and in about three miles from Alcove Brook we rather abruptly emerged into a beautiful small opening, where the immediate walls were no more than six hundred feet high.

A river of considerable size flowed in on the left, through a deep and narrow canyon.

This was the Yampa, sometimes then called Bear River.

By seven o'clock we had moored the boats a few yards up its mouth and we made a comfortable camp in a box-elder grove.