What to know before you go
- Take off all jewelry before getting in — the mineral water tarnishes metal.
- Pack a dark swimsuit; light colors stain from the iron-rich water.
- Bring your own towel and flip-flops or sandals.
- Some pools cap how long you can stay — check the time limit for each spot below.
- Book ahead, especially in high season, wherever online tickets are required.
Best hot springs on São Miguel
1. Poça da Dona Beija
A cluster of stone pools fed by hot mineral water, tucked among ferns on the edge of Furnas. It’s the most famous hot spring on the island, and also the easiest to plan around, since it stays open into the evening.
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💶 Admission: €12/person until 17:30, €16 from 18:00 (ages 2–6 discounted, under 2 free)
🕘 Opening hours: daily 8:30–23:00, last entry 21:30
⏱️ Max stay: 1 hour 30 minutes per session
💳 Booking: online only, no on-site ticket sales
🅿️ Parking: free for visitors, right by the entrance
🔒 Lockers: available on site, ask for a key at the desk
We went for the night session — the higher evening ticket buys you the pools lit up after dark, which is a completely different mood from a daytime soak. Book online in advance; there’s no ticket booth to fall back on if slots are sold out.
All the pools are the same temperature here — they just differ in depth, so pick one based on how deep you want to sit, not how hot you want it. At check-in you get a wristband color-coded to your session; when your 90 minutes are up, a staff member walks around and asks everyone still in the water to get out. There’s a small shop by the entrance with souvenirs, and you can ask at the desk for a locker key if you want somewhere to lock up your things.
Bring an old dark swimsuit — the iron-rich water stains light fabric, here and at every other spring on this list.
Official Poça da Dona Beija website — tickets, hours, and current prices.
2. Caldeira Velha
A waterfall running over iron-stained rock into a warm pool in the middle of the forest — the most photogenic of the bunch, and the one with the strictest entry system.
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💶 Admission: €10 full entry (bathing) / €3 reduced (visit only), 50% off under 15 and over 65
🕘 Opening hours: 9:00–20:30 (May–Sep), shorter hours the rest of the year
⏱️ Max stay: 90-minute shifts, capped at 250 people at a time
💳 Booking: timed-entry tickets online, book ahead in summer — slots sell out days in advance
🅿️ Parking: also nearby, but it’s a short flight of steps up to the entrance
🔒 Lockers: available on site
We took the first shift of the day, right at opening. It was worth setting an alarm for — the pool was nearly empty, and by the time we left, a queue had formed at the gate.
It uses the same wristband system as Dona Beija, with a 90-minute limit per session. The pools here aren’t all one temperature, though: the water flows in from the top, so the upper pools run hottest and it cools as it works its way down. This is also where the most photographed shot on this whole list is taken — the exact spot is pinned on our map below.
If you want more of the island’s waterfalls without the warm water, our guide to the best waterfalls on São Miguel covers the rest.
Official booking page — Caldeira Velha timed-entry tickets.
3. Parque Terra Nostra
A 12.5-hectare botanical garden in Furnas built around one enormous thermal pool — big enough to swim laps in, fed by a spring rich in iron and other minerals.
The garden dates back to 1780, when it started as a fishpond in front of the summer house of Thomas Hickling, the American vice-consul on the island. The Bensaude family bought the property in 1933 and kept expanding it ever since — today it holds around 800 camellias spread across several themed areas, plus collections of ferns, cycads, and bromeliads, and century-old trees shipped in from as far as Australia, China, and South Africa. The pool itself isn’t the clear-blue kind: the iron content turns the water a murky brown, closer to tea than turquoise. There’s no shift system here, so unlike Dona Beija or Caldeira Velha, you can stay in as long as the park is open.
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💶 Admission: €17 adults (park + pool), €14.50 ages 6–17 and 65+, free under 7
🕘 Opening hours: daily 10:00–17:00, last entry 16:30 (hotel guests get early/late pool access)
🌡️ Water: around 42°C, high in iron — expect murky, tea-colored water
Official Parque Terra Nostra website — tickets, hours, and garden map.
4. Termas das Caldeiras
The oldest thermal baths on the island, running since 1803, in the town of Ribeira Grande. Two small open-air pools behind 19th-century white façades — no crowds, no tour buses, mostly locals.
Of the three pools on site, only one is open to walk-in visitors — the other two are reserved for guests booking a massage or spa treatment. There’s no polished visitor center here, just simple changing rooms and showers, and parking directly in front. The whole complex sits inside a small valley of native Laurissilva forest, the same laurel-forest ecosystem found across the Azores and Macaronesia.
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💶 Admission: around €6/person, reduced rate for under 12
🕘 Opening hours: daily 11:30–21:00, Mondays until 18:00
🌡️ Water: around 39°C, sulphurous
Official Azores tourism portal listing for Termas das Caldeiras.
5. Ponta da Ferraria (Ginetes)
The odd one out: a natural pool on the western tip of the island where a submerged volcanic vent heats a patch of the open Atlantic — reportedly the only place in the world where this happens. Free, and open around the clock.
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💶 Admission: free
🌊 Best time: low tide, when the warm water concentrates in the cove — at high tide the ocean cools it down and the waves get rough
🛟 Facilities: free changing rooms and showers near the parking area, safety ropes in the water, lifeguard on duty during the swimming season until 17:00
Ponta da Ferraria visitor info — tide guidance and access.
It’s less a beach than a warm patch of ocean, but if you want an actual stretch of sand afterward, our guide to the best beaches on São Miguel has the rest of the coastline.
Day or night: which session to choose
If you only book one timed slot, make it Caldeira Velha’s first shift — it’s the only spring on this list where crowding genuinely changes the experience. Poça da Dona Beija is the one place built for an evening visit, since it’s the only spring open after dark. Terra Nostra and Ponta da Ferraria have no shift system, so timing there is about the tide (Ferraria) and the tour-bus schedule (Terra Nostra, worse midday) rather than a booking window. Termas das Caldeiras rarely gets busy at all, at any hour.
Every hot spring on this list — plus the exact photo spot at each one — is pinned on our São Miguel Google Map, alongside 130+ other places we visited on the island.
Pair these with the rest of the island: our guide to the best viewpoints on São Miguel covers everything else worth building a route around.
Don't just read about it – go!
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