Saigo no Kawa
- Saigo no Kawa (最期の川)
- Catalog Number
- Saigo no Kawa (最期の川; The Last River)
- Saigo no Kawa (Pf Ver.) (最期の川)
- Saigo no Kawa (Less Vocal) (最期の川)
- Saigo no Kawa (Pf Ver.) (Less Vocal) (最期の川)
"Saigo no Kawa" is the 22nd single released by CHEMISTRY. The title track was used as the theme song for the movie Zou no Senaka. "Saigo no Kawa (Pf Ver.)" is a piano version of the title's track. The single reached #4 on the Oricon weekly charts and charted for 11 weeks, selling over 50,000 copies.