Complex sentence: It rises on the Eagle County-Summit County border along the high crest of the Gore Range, in the White River National Forest, approximately north of Vail Pass, descending to the west through a narrow gorge, receiving Black Gore Creek from the south.
Split into simpler sentences: It rises on the Eagle County-Summit County border along the high crest of the Gore Range, in the White River National Forest, approximately north of Vail Pass. It descends to the west through a narrow gorge, receiving Black Gore Creek from the south.