Yes, the Sturtevant Falls & Trail Canyon Falls.... maybe more, don't know.
I didn't see any there.
Dan Antonio Falls is up near the top of Baldy rd above Claremont
I was at Mountain High resort, no waterfalls in that area. None in surrounding area either.
Yes but it's hidden inside. You can YouTube it and there's more information on it!
Few. None impressive.
Somewhere
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