I would advise sitting from morning till night under some willow bush on the river bank where there is a wide view. This will be "doing the valley" far more effectively than riding along trails in constant motion from point to point. The entire valley is made up of "points of interest." John Muir
The trend of all knowledge at the present is to specialize, but archaeology has in it all the qualities that call for the wide view of the human race, of its growth from the savage to the civilized, which is seen in all stages of social and religious development. Margaret Murray