Portugal
Furnas
Hot springs bubble through botanical gardens while stew slow-cooks underground in volcanic earth.
Steam rises from the ground in plumes. The earth hisses. At Furnas, the sulphur smell hits before the visual — yellow-crusted fumaroles bubbling beside a lake shore, hot iron-rich water staining the rocks orange. Then you notice the pots buried in the volcanic soil along the lake edge, stew slow-cooking underground for the past six hours.
Furnas is an active volcanic system on the eastern end of São Miguel in the Azores, its caldera hosting hot springs, fumaroles, and geothermal pools that have been used for bathing and cooking for centuries. The signature tradition is cozido das Furnas — a layered stew of meats, sausages, and vegetables buried in volcanic earth each morning and excavated for lunch, the geothermal heat replacing any stove. Terra Nostra Park, established in the 18th century, centres on a thermal iron pool at 35-40°C surrounded by over 2,000 plant species from across the world's subtropical zones. The Poça da Dona Beija offers a more intimate thermal bathing experience with multiple pools at varying temperatures. Nearby, the Gorreana tea plantation — Europe's only commercial tea estate — has cultivated green and black tea on Atlantic-facing volcanic slopes since 1883.
Couple
Thermal pools surrounded by botanical gardens, volcanic earth cooking, and tea plantation visits — Furnas offers a full sensory day that feels restorative rather than exhausting. The warm iron pool at Terra Nostra turns skin golden.
Family
Children are captivated by ground that steams, water that bubbles unprompted, and lunch that cooks underground. The thermal pools at Poça da Dona Beija are manageable for younger swimmers, and digging up a cozido pot is theatre.
Friends
The combination of volcanic spectacle, thermal bathing, and communal eating makes Furnas a natural group destination. Sharing a cozido pot — six hours in the earth — is the kind of meal that defines a trip.
- The fumaroles at Furnas are continuous emissions of steam and sulphur from fractures in the earth — audible as a hiss across the valley floor.
- Cozido das Furnas is buried 1.5 metres underground in pots placed into geothermal vents — the cooking temperature is approximately 100°C and the timing is six hours.
- The Terra Nostra Botanical Garden was established in 1775 and contains the largest thermal bathing pool in the Azores, coloured orange by iron-rich volcanic water.
- The José do Canto park within Furnas holds 30,000 plant specimens from five continents in one of the Atlantic's finest botanical collections.
Cozido das Furnas — pork, beef, cabbage, and blood sausage buried in volcanic ground for six hours.
Tea from Gorreana plantation nearby — Europe's only tea estate, rows of green bushes on Atlantic hillsides.
Bolos lêvedos — soft sweet bread unique to the Azores, toasted with butter.
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