I was looking through the photos and saw that there's a little waterfall area , does anyone know how far that is from the trail?

As Cesar said, there is a stream in the Punch Bowl and the stream runs right along the trail for a bit. On the way up to the Devil's Arm Chair you walk through (across) a stream which has a tiny waterfall of sorts.

Not really a water fall . More like a little stream

Waterfall I passed was on the trail you walk three it and keep going the devils arm chair is the trail I was going up have not gone the full way yet that was about a mile and half up the trail the devils arm chair is a long trail