Thermal Spring Recommendations for Tuscany

This is a comprehensive guide to the thermal spas of Tuscany. They are organized by province. The site is only in Italian, therefore you'll have to make do with Google Translate. http://terme.borghitoscani.com/ The closest spa to Castellina is probably the one in Falciani (Terme di Firenze). I've never been there, therefore I can't comment on it. When I was living in Florence my favorite was Saturnia (there is spot along the river that is free). I also went to Bagno Vignoni and Petriolo. They are all nice and a closer than Saturnia, which is past Grosseto.

I have been to Petrolio too!! I love it...but it is very....rustic? They do have a spa there I think, but not fancy (though I haven't been inside), and the outside of the building looks slightly like the community rec center I have in my hometown.... It smells horrible (because of the sulfur) at first, but the different pools and places to relax make it so charming. And at night....boy is it a party! There were naked people and flame throwers....so very interesting....but so fun and that place remains one of my favorite memories of my years in Italy....

Petrolio means petroleum in Italian. I'm not surprised it was a flame throwing party. I just went to Petriolo.

We loved the Cascate del Mulino a Saturnia. Completely free local "park" were even parking is free. Very shallow, warm, pools. It's less than a mile from the Terme di Saturnia spas but free and gorgeous. They have a facebook page if you want to take a glance before enjoying your time there. I could have sat for hours!
Emily

Thanks! So I pulled up google images for Petriolo and I'm seeing natural rock springs with small soaking pools. ( which was what I had in mind :-)) The search by the name shows a spa/ pool with this name- is that the same place? I'm confused because none of the spa info includes pictures of the natural rock springs. Deb

The natural pools with the rocks are the Bagni di Petriolo, basically the free natural spa. That's the one I used to go, but we are talking about 30 years ago, and I don't know if it's free or not now. The Bagni are at the bottom of that valley, basically under that very tall Siena-Grosseto highway viaduct. But on top of the hill, on the southern side of that viaduct along the highway (on the left side coming from Siena) there is also a fancy spa resort called Petriolo Spa Resort. I assume it's fancy but I never stayed there because, well, it looked too fancy for my student's budget at the time. So I always went at the Bagni, in the river below, which at the time was free. I was not going to pay a resort to smell like a rotten egg if I could do it for free down below. I liked Saturnia even better (also free there, although I also went to the fancy hotel, but just for the day). But Saturnia is a little distance away (south of Grosseto), therefore I stayed in one of the pensioni in town. I don't remember the name of the Pensione, but they had a restaurant that made excellent acqua cotta, a specialty of Maremma.

HA Petroleum! I never even take into account that names of places in Italy actually could be words HAHA..........but this is coming from the girl that took 3 months in Italy to realize that Firenze=Florence :) but seriously, those natural baths are awesome, all the temperatures are different according to the location in relation to the water flow.... I seriously loved it :)

Does anyone know if Saturnia or any of the hot springs are reachaable via train or bus? Sounds funny to bus into Southern Tuscany but that is how I got to the Dead Sea for mud baths!! When you are a bad driver, you learn alternatives. I normally home base out of Florence and this trip is in December so a Hot Spring sounds good in winter!!Kathy