Listen to Fast Flowing Mountain Stream online. Fast Flowing Mountain Stream is an Unknown language song and is sung by Nature Sounds for Sleep and Relaxation, Sounds of Nature, Nature Sounds and Rain Sounds. Fast Flowing Mountain Stream, from the album Soothing Your Soul with Relaxation Nature Sounds, was released in the year 2018. The duration of the song is 5:01. Download Unknown songs online from JioSaavn.