Just spent my birthday weekend down at Travertine Hot Springs in CA. Beautiful, well maintained, and free. https://www.soakingsprings.com/hot-springs/california/traver...

I have a bit of an obsession with trying to find hot springs. Washington state, for all of its mountains, is relatively devoid of hot springs. I feel like there must be some that remain unknown. I'd like to someday use a thermal camera on a drone of some kind to try and find one :) Maybe go along fault lines that have other hot springs?

Hey Armen how accurate is this? That’s a lot of spots to research. I read a bit about your process but you aren’t physically verifying in person so still room for significant error? Pretty cool / helpful though still, thank you!

Missing all the hot springs in the Black Hills, South Dakota.

I think it's missing some. There are a couple of hotsprings off the highway between Ventura and Ojai. They're 'wild' and completely natural - you can make your own pools using rocks and sand for dams. I saw Steven Spielberg once when I was there with a few people - he was reminiscing with another guy about the problems they had filming something...

Edit: I think it was empire of the sun. They were talking about how difficult it was to film explosions in Japan.

Maybe you’re thinking of Letters from Iwo Jima? They shot on location but the island is basically a mass war grave so they couldn’t use much pyrotechnics to avoid disturbing the ground.

Empire of the Sun was mostly shot in Shanghai and Spain. That was the one where they got fined for burning old tires for the special effect smoke, which dumped a bunch of toxic smoke on Shanghai.

Sad to see how lacking the East Coast is in hotsprings…

The "Best Time to Visit" thing needs more stringent criteria. It lists "midwinter" for both the listings in NY and in MA, presumably for the biggest temperature differential. Unfortunately, the springs are "well below bath temperature" and it will be literally freezing outside in January.

Oy. Checked a couple of these I know personally. You'll find yourself in a world of trespassing if you use this.

Same here. I wouldn't go traipsing through the woods looking for a spring at a set of coordinates without first finding out who the landowner is and contacting them for permission. (If it's not public land.)

Be sure to double/triple check before going.

More than one of these listed was clearly on private property but the listing had no mention.

Quinn hot springs [1] in Montana being one. It is listed as "roadside" with "camping nearby" but in reality it is a paid resort on private property.

[1]https://glaciermt.com/listing/quinns-hot-springs-resort

I found several of these as well.

why only half the map has any points visible? am i getting something odd or just geology?

Toggle the Geothermal Heat Flow button in top right and you'll see why.

Super cool

It is, in fact, the opposite :)

Thanks to the DOGE/Trump goverment cutbacks, the previous government listed data was pulled offline. I've got a full copy of the data (much of it is out of date), but I haven't had the time to build a site and put it online. Might get around to it at some point. I'll probably reach out to the guy running the site and see if he wants the data.

https://www.reddit.com/r/HotSpringsWest/comments/1jwc8ga/nce...

I'm interested! Could be a fun project.

Why not post it on github? Because federal government data cannot be copyrighted, anyone is free to copy, redistribute, mirror, modify, or publish it anywhere they choose.

ok, now do the rest of the world, and add layers for cold springs, artesian sources, mineral waters, salt, other, and drop it on OSM best one I ever saw(was in) was somewhere in oregon, inland , vast vocanic pumice plains with pine trees, and an intensly cold spiring comming up in a head pond strong enough to create a big dome of water you can swim into and freeze your ass of, and then get out in a hot desert. our planet has a bunch of awsome and decidedly odd features, which luckily have not ALL been exploited , comodified, and privatized.