Reykjavik, Budapest, and Interlaken each turn a natural hot spring into a central part of the travel experience, whether soaking in lava fields or century-old bathhouses.

Reykjavik’s geothermal spas

Soak in the Blue Lagoon or Sky Lagoon, both fed by Iceland’s naturally heated geothermal water.

Budapest’s thermal baths

Visit historic bathhouses like Szechenyi, fed by natural hot springs beneath the Hungarian capital.

Interlaken’s alpine spas

Relax after a day of hiking or skiing at wellness resorts set between two lakes in the Swiss Alps.

Book Reykjavik Tours & Activities

Private Jökulsárlón Glacier Lagoon 2 Day Tour & Glacier Hike

Private Jökulsárlón Glacier Lagoon 2 Day Tour & Glacier Hike

★ 5.0 (160)
From USD 7240
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Private 2-Day Glacier Lagoon, Ice Cave and Northern Lights

Private 2-Day Glacier Lagoon, Ice Cave and Northern Lights

★ 5.0 (111)
From USD 7400
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Glacier Adventure at Sólheimajökull Private Tour

Glacier Adventure at Sólheimajökull Private Tour

★ 5.0 (88)
From USD 363.64
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Reykjavik Private Northern Lights Tour with Pro Photographer

Reykjavik Private Northern Lights Tour with Pro Photographer

★ 5.0 (85)
From USD 1555.24
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Reykjavík Bay Jet ski tour

Reykjavík Bay Jet ski tour

★ 5.0 (83)
From USD 179
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Reykjanes Peninsula Private Day Tour - up to 9 passengers

Reykjanes Peninsula Private Day Tour - up to 9 passengers

★ 5.0 (82)
From USD 20500
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Live pricing and availability are pulled directly from Viator.

Practical Tips

  • Research spa town trips in advance so you know what to prioritize once you arrive.
  • Book popular activities ahead of time, especially during peak travel season.
  • Allow flexibility in your itinerary in case weather or local conditions change your plans.

FAQ

Which of these destinations is best for first-timers?
Reykjavik is a solid starting point thanks to its accessibility and range of activities, though all three destinations suit different travel styles.

How much time should I budget for a trip like this?
A week to ten days allows time to properly experience one or two of these destinations without rushing.

Final Thoughts

Reykjavik, Budapest, Interlaken each bring something different to this list, and any one of them makes a rewarding trip on its own.