Valmiki Ramayana Kishkindha Kanda Sarga 25 Shloka 50

प्लवङ्गमाः monkeys, तं वालिनम् that Vali, विधिवत् as per tradition, संस्कृत्य after allowing it to be consumed by fire, उदकं कर्तुम् made waterofferings, शुभजलाम् a place of pure water, शिवाम् auspicious, नदीम् river, आजग्मुः reached.

The monkeys set Vali's body to be consumed by fire as per tradition and proceeded to an auspicious river of pure water in order to offer oblation (to the departed soul).