Then you walk, exploring the canyon floor by day and camping wild beneath the stars at night.

That evening, we camped on the canyon floor, where tents had been put up for us.

This tends to be strenuous and can require climbing high above the canyon floor, unprotected, for long periods of time.

The gradual recession of the ice left glacial moraines along the canyon floor.

Urban development spread for some seven miles along the single, narrow road winding up the steep canyon floor.