 
 <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. <hau> Don amsa tambayar da ke sama, jumlar da ta dace ita ce: Kogin ya samo asali ne a mahaɗin Kogin Bow da Oldman kusa da Grassy Lake, Alberta. Saboda haka, amsar karshe tana wurin haduwar Bow da Oldman Rivers kusa da Grassy Lake, Alberta. 