The South Fork rises on Cranberry Mountain just west of the Highland Scenic Highway before flowing through the Cranberry Glades Botanical Area .
The South Fork is the longer of the two at a length of 9 miles ( 14 km ) .
The South Fork , the longer of the two at a length of 9 miles ( 14 km ) , rises on Cranberry Mountain just west of the Highland Scenic Highway before flowing through the Cranberry Glades Botanical Area .