Many of us need the wilderness as a place to listen to the quiet, to feel at home with ancient rhythms that are absent in city life, to know the pulse of a river, the riffle of the wind, the rataplan of rain on the slickrock.
If the heart wanders or is distracted, bring it back to the point quite gently... And even if you did nothing during the whole of your hour but bring your heart back, though it went away every time you brought it back, your hour would be very well employed.