ants ▁and ▁correspond ence . ▁It ▁is ▁also ▁said ▁to ▁be ▁named ▁after ▁the ▁Sen edo ▁people , ▁a ▁little - document ed ▁tribe ▁said ▁to ▁have ▁lived ▁on ▁the ▁north ▁fork ▁of ▁the ▁river ▁and ▁destroyed ▁by ▁the ▁C ata w ba , ▁some ▁time ▁between ▁ 1 6 5 0 ▁and ▁ 1 7 0 0 . ▁ ▁Rec re ation ▁The ▁Sh en ando ah ▁River ▁is ▁a ▁very ▁popular ▁river ▁for ▁can oe ing , ▁river ▁tub ing , ▁and ▁white - water ▁recre ation ▁such ▁as ▁ra ft ing ▁and ▁k ay aking ▁( class ▁I - III ▁in ▁season , ▁II - III + ▁during ▁the ▁spring ▁run - off ), ▁and ▁several ▁commercial ▁out fit ters ▁offer ▁a ▁variety ▁of ▁gu ided ▁tri ps ▁and ▁rent als . ▁ ▁South ▁F ork ▁Sh en ando ah ▁River ▁ ▁The ▁South ▁F ork ▁is ▁formed ▁at ▁Port ▁Republic ▁in ▁southern ▁Rock ingham ▁County , ▁by ▁the ▁confl u ence ▁of ▁the ▁North ▁River ▁and ▁South ▁River . ▁It ▁flows ▁ ▁n ortheast ▁in ▁a ▁tight ▁me and ering ▁course , ▁past ▁El k ton ▁and ▁Sh en ando ah , ▁through ▁Page ▁Valley , ▁with ▁the ▁Blue ▁R idge ▁Mountains ▁to ▁the ▁east ▁and ▁the ▁Mass an ut ten ▁Mountain ▁range ▁to ▁the ▁west . ▁ ▁South ▁F ork ▁trib ut aries ▁ ▁North ▁River ▁ ▁Middle ▁River ▁ ▁South ▁River ▁Back ▁Creek ▁ ▁Over all ▁Run ▁ ▁Go oney ▁Creek ▁ ▁Br id ges ▁over ▁the