The Science of Soaking: What Every Hot Springs Visitor Must Know About Geothermal Safety
Geothermal pools can reach temperatures exceeding 104°F—the threshold for burns and heat-related illness in just minutes of exposure. Understanding water chemistry, subsurface geology, and your body's limits transforms a relaxing soak into a safe one. Here's what the science tells us about hot springs safety, and how to protect yourself while protecting the resource.