The 9 Best Hot Spring Road Trips in the World, Ranked

The best hot spring road trips are Iceland's Ring Road, the Grand Teton to Yellowstone drive, and Chile's Carretera Austral, routes where a long day behind the wheel ends in a thermal soak or a geyser basin you pull over to watch. Our top pick, Iceland's Ring Road, loops the whole island past the Mývatn Nature Baths and the open-air geothermal pools of Reykjavík over nine days. The nine drives below run from the North Atlantic to the Tajik Pamirs, each with its real distance, season, and thermal stops from our catalog.

Hot springs form where rain soaks down to rock still warm from magma and rises back up heated, so the best of these drives follow volcanic and fault country. Some reward you with a pool you can sit in, like the terraced baths at the foot of Arenal or the boat-in Termas de Puyuhuapi in Patagonia. Others are built around geothermal spectacle you watch rather than enter, like Yellowstone's Grand Prismatic Spring or the dawn geysers above the Bolivian altiplano. We ranked the nine on the quality of the soak or the show, how central the thermal stop is to the drive, and how dependable the road and season are. A few are gentle paved drives; others are hard and remote, needing an SUV, a permit, or a local operator.

The best hot spring road trips at a glance

1. Ring Road, Iceland

No country road-trips its hot water like Iceland. The Ring Road runs 1,332 km clockwise from Reykjavík over nine days, and the soaking starts before you leave the capital, where open-air geothermal pools stay warm year-round. On the north coast, the Mývatn Nature Baths sit among volcanic craters, boiling mud pots, and lava fields. The nearby Geysir field sends Strokkur 30 metres into the air every five to ten minutes. The drive is paved and rated moderate for weather rather than grade, so check road.is and SafeTravel before each leg and keep a standard car off the F-roads.

2. Grand Teton to Yellowstone, United States

The 320 km Grand Teton to Yellowstone drive holds the densest geothermal landscape on the planet, and here the features are for watching, since the park prohibits soaking in them. Over four to five days from Jackson Hole it runs north past moose meadows into the world's first national park, where the ground boils over. Old Faithful erupts about every 90 minutes, Grand Prismatic Spring burns blue through orange bacterial rings, and the travertine terraces of Mammoth Hot Springs are still growing. The road is paved and easy but jams near Old Faithful and Jenny Lake, and it fully opens only May to October, so check Yellowstone's road-opening page before each travel day.

3. Carretera Austral, Chile

For the wildest soak on this list, Chile's Carretera Austral threads 1,240 km of mostly gravel Ruta 7 through Patagonian fjords, rainforest, and glaciers over twelve to fourteen days. Its thermal reward sits at Puyuhuapi, a German settler village on a fjord, where the pools at Termas de Puyuhuapi are reachable only by boat and rank among the finest in South America. This one earns its hard rating. Book the Hornopirén and Fiordo Largo vehicle ferries ahead, bring an SUV, and treat November to March as the only sensible window.

4. Costa Rica Parks and Wildlife, Costa Rica

Costa Rica pairs its hot springs with a volcano. The 600 km Parks and Wildlife loop runs from San José through the cloud forests of Monteverde to the near-perfect cone of Arenal, where geothermal springs at the base soothe tired legs after a walk across the 1968 lava fields. Five to seven days takes in Manuel Antonio's rainforest beaches as well. Many lodge and park roads are unpaved and rutted, so use a high-clearance SUV and run the loop in the drier December to April months.

5. Avenue of the Volcanoes, Ecuador

Ecuador's Avenue of the Volcanoes follows the Andean spine south from Quito toward Chimborazo, linking snowcapped peaks and market towns over about 450 km and five days. The soak is Baños de Agua Santa, an adventure town below the mountains whose name means baths of holy water, with hot springs, waterfalls, and canyon roads on its doorstep. Give yourself an acclimatization day after sea-level arrival, carry warm layers for the high passes, and check the volcano bulletins, since Cotopaxi and Chimborazo access depends on current activity. June to September is the driest stretch.

6. Million Dollar Highway, United States

The shortest drive here finishes in a soak. Colorado's Million Dollar Highway is the 40 km stretch of US 550 that climbs over Red Mountain Pass from Silverton, through old mining country and sheer canyon walls, and drops into Ouray, an alpine town with hot springs tucked into a narrow valley. You can drive it in a day. The pass has steep drop-offs, limited shoulders, and high altitude, and summer road work south of Ouray can add delays, so check CDOT conditions and postpone for snow, ice, or poor visibility. Late spring to early fall is the open season.

7. Gibb River Road, Australia

Australia's Gibb River Road crosses 660 km of Kimberley dirt between Derby and Kununurra, past boab forests, Aboriginal rock art, and gorge after gorge. The thermal stop is El Questro, a million-acre station where warm springs run between red sandstone walls along the Chamberlain River. This is a hard, remote drive on a dry-season road. Travel May to October in a high-clearance 4WD with two spares and satellite communications, and check the live Main Roads Gibb River Road page and every roadhouse before each leg, because creek depths and swimming advice change after rain.

8. Salar de Uyuni Circuit, Bolivia

At 5,000 metres on Bolivia's altiplano, the Salar de Uyuni Circuit trades a warm pool for raw geothermal spectacle. Beyond the white mirror of the world's largest salt flat, the three-day route climbs past the blood-red Laguna Colorada to the Sol de Mañana geysers, where steam columns and boiling mud pools rise into the dawn silence. Go only with a reputable 4WD operator carrying oxygen and an emergency plan, travel in the dry May to November window, and plan hard for severe altitude, cold, and isolation.

9. Pamir Highway, Tajikistan

The remotest soak on this list sits in the Tajik Wakhan. The Pamir Highway links Dushanbe and Osh over 1,252 km and eight to ten days of high-plateau driving, and in the Wakhan Valley hot springs and old fortresses line the road along the Afghan frontier. This is serious overland territory. A GBAO permit is required, the route crosses a border that has opened and closed at short notice, and you need a 4WD, spare fuel, and altitude planning. June to September is the only realistic season, so confirm current conditions with a Pamir operator before you commit.

If you only do one

Drive Iceland's Ring Road. No other route here puts this much hot water along one drive, from the year-round geothermal pools of Reykjavík to the Mývatn Nature Baths in the north, with the Geysir field and an island of waterfalls, glaciers, and black-sand coast between them. Go between June and September for the open roads and the long daylight, book an SUV for the weather rather than the terrain, and check road.is before every leg. If you have just a day in Colorado, the Million Dollar Highway delivers a mountain pass and a hot-springs town by nightfall.

Frequently asked questions

What is the best road trip for hot springs?

Iceland's Ring Road. It strings more soakable geothermal water along a single drive than anywhere else, from Reykjavík's open-air pools to the Mývatn Nature Baths, and adds the Geysir field and nine days of waterfalls and glaciers around a full island loop. Chile's Carretera Austral and Costa Rica's Arenal loop are the next best for a genuine soak.

Can you soak in the hot springs at Yellowstone?

Mostly no. Soaking in Yellowstone's thermal features is prohibited because the water is scalding and the ground is fragile, so the Grand Teton to Yellowstone drive is about watching Old Faithful, Grand Prismatic Spring, and Mammoth Hot Springs rather than bathing. For an actual soak in the United States, the Million Dollar Highway ends at the hot-springs town of Ouray.

Do you need a four-wheel drive for these hot spring drives?

It depends on the route. Iceland's Ring Road, the Grand Teton to Yellowstone drive, and the Million Dollar Highway are paved and fine in a normal car. Costa Rica, Chile's Carretera Austral, the Salar de Uyuni Circuit, the Gibb River Road, and the Pamir Highway all want an SUV or a 4WD, and the last three need serious remote-driving preparation.

When is the best time of year for a hot spring road trip?

Cooler shoulder months make the soak more rewarding, and each route has its own window. Iceland and the Pamir run June to September, and Yellowstone opens May to October. The Southern Hemisphere drives flip the calendar, with Chile's Carretera Austral running November to March and Costa Rica best December to April.

Plan your hot spring road trip

Every drive here is mapped stop by stop in our route guides, starting with Iceland's Ring Road. Open the interactive map to match each route to its season and to space out the ferries, fuel gaps, and permits, and for more of the remote drives where the best wild springs hide, browse our Adventure and Overland Routes collection.