Tien Sa Waterfall, Cat Cat village, Sapa Lao Cai town (beautiful scene of Tien Sa) Tien Sa Waterfall (Cat Cat Waterfall) is located inside Cat Cat village, possessing wild, romantic beauty that touches people's hearts. Having the opportunity to watch the gentle flowing waterfall, you will have the opportunity to admire the lyrical and poetic features of this place, creating an emotional picture of nature.