Mangalam Aruvi is a small water falls in Kolli hills near Salem in Tamil Nadu. One can visit this waterfalls as a part of exploring Kolli hills. It is a seasonal waterfall and can find water only after rains and monsoon.
The entry fee to this waterfalls are INR 20/- per adult. One has to trek for about 100 meters.
There are other small waterfalls as well in the area of Pachamalai, which is a part of Kollimalai range.