A field guide to thermal travel
From Iceland’s silica lagoons to Japan’s mountain onsen — the hot springs worth crossing the world for, and how to plan a trip around them.
The guides · Dispatches from the field
Iceland
Iceland sits on the Mid-Atlantic Ridge, where the North American and Eurasian plates pull apart, and that geology turns the whole island into a natural spa. Geothermal water heats most Icelandic homes…
Editor’s selection · Springs worth the detour
The Atlas
Not a search box — a contents page. Browse every country we cover and follow it down to the springs.
What we’re building
We’re turning these guides into a way to plan the whole journey — which springs are worth it, how to reach them, and what to book around them. It starts with the writing. Begin with a guide, and the trip starts to take shape.
