 <translate> To answer the above question, the relevant sentence is: The river originates at the confluence of the Bow and Oldman Rivers near Grassy Lake, Alberta. Therefore, the final answer is at the confluence of the Bow and Oldman Rivers near Grassy Lake , Alberta. <yor> Láti dáhùn ìbéèrè tó wà lókè yìí, gbólóhùn tó bá a mu ni pé: Odò náà bẹ̀rẹ̀ ní ibi tí Odò Bow àti Odò Oldman ti da pọ̀ nítòsí Adágún Grassy, Alberta. Nítorí náà, ibi tí odò Bow àti odò Oldman ti ń ṣubú ló wà nígbẹ̀yìn-gbẹ́yín nítòsí adágún Grassy, nílùú Alberta. 