▁South ▁Eastern ▁High lands ▁b ior eg ion ▁and ▁Northern ▁Country / N orth ▁Central ▁regions ▁of ▁the ▁Australian ▁state ▁of ▁Victoria . ▁The ▁head w aters ▁of ▁the ▁A cher on ▁River ▁rise ▁on ▁the ▁north western ▁s lop es ▁of ▁the ▁Y ar ra ▁R anges , ▁below ▁The ▁Kn obs ▁and ▁descend ▁to ▁flow ▁into ▁the ▁G oul burn ▁River ▁near ▁. ▁ ▁Location ▁and ▁features ▁The ▁river ▁r ises ▁below ▁The ▁Kn obs ▁on ▁the ▁north western ▁s lop es ▁of ▁the ▁Y ar ra ▁R anges , ▁part ▁of ▁the ▁Great ▁D ivid ing ▁Range , ▁within ▁the ▁Y ar ra ▁R anges ▁National ▁Park . ▁The ▁flows ▁generally ▁north ▁by ▁west , ▁much ▁of ▁its ▁course ▁following ▁the ▁path ▁of ▁the ▁A cher on ▁Way , ▁through ▁rug ged ▁national ▁park ▁as ▁the ▁river ▁desc ends , ▁then ▁north , ▁joined ▁by ▁nine ▁trib ut aries ▁including ▁the ▁Ste av enson , ▁Little ▁Ste av enson , ▁and ▁Little ▁rivers , ▁before ▁reaching ▁its ▁confl u ence ▁with ▁the ▁G oul burn ▁River ▁at ▁the ▁settlement ▁of ▁, ▁south ▁of ▁the ▁town ▁of ▁Alex andra . ▁The ▁river ▁desc ends ▁ ▁over ▁its ▁ ▁course . ▁ ▁The ▁river ▁is ▁crossed ▁by ▁the ▁Mar o ond ah ▁Highway ▁north ▁of ▁the ▁locale ▁of ▁St ▁F ill ans , ▁and ▁again ▁at ▁the ▁settlement ▁of ▁. ▁ ▁Et ym ology ▁In ▁Australian ▁Ab original ▁languages , ▁the ▁river ▁is ▁various ly ▁named ▁Ag ar oon , ▁ ▁Ny