We came in mid-November on a sunny day and parking...

We came in mid-November on a sunny day and parking lot was full yet it didn t feel too busy. I can imagine a zoo during summer time though. We enjoyed it very much. Btw, water is not aqua blue. Camera filter does that. Water is somewhat of a brownish color and it is definitely muddy brown down below when it becomes a small river.

No need for water shoes as so many recommend because small pebbles in the water are already smoothed by water. In fact, it is very slimy and slippery, can be dangerous to walk, but I doubt water shoes are going to help with that.

We also enjoyed the adjacent cafe with 1.50 wine and crostinis with tomatoes (like hot bruschetta) were very tasty. It overlooks the cascade yet in the shade under a roof. They played great 80s songs too.
Our drive from Perugia was gorgeous all the way too.