It is amazing, I have lived in the Salt Lake Valley since I was married to my wonderful wife in 1991 and never knew this waterfall was here, in the valley, until this spring. It is amazing the beauty that is around us, and all we have to do is look for it.
Here is a link to the info on the trail:
https://www.alltrails.com/trail/us/utah/rocky-mouth-falls-trail