Natural hot spring · Italy
Parco idrotermale Poseidon
Italy · 1.4 mile south of Forio
Last updated
- Type
- Natural Natural hot spring
- Water temperature
- Not recorded
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Forio (1 mi / 2 km)
- Coordinates
- Pools or sources
- 1
About Parco idrotermale Poseidon
Parco idrotermale Poseidon is a natural hot spring in Italy, on the edge of Forio. The nearest large city is Bacoli, roughly 12 miles away as the crow flies.
No reliable water temperature is on record for this spring yet. Test the water with your hand before getting in, and if you measure it, send us the reading.
It is a natural spring with little or no development. Some natural springs have rock pools you can sit in, while others are too hot, too shallow or on land where soaking is not allowed.
Map and directions
Red marks Parco idrotermale Poseidon. Other colored dots are nearby springs in this directory. Coordinates: 40.71765, 13.86163.
Getting there
- Nearest town: Forio. The spring is about 1.4 mile (2 km) south of town in a straight line.
- Nearest large city: Bacoli, about 12 miles (19 km) in a straight line.
- Planning from a city? See hot springs near Naples, Italy.
- Use the directions buttons above for a driving route. Final roads to many springs are unpaved, seasonal or closed in winter, so check road conditions before you go.
Hot springs near Parco idrotermale Poseidon
- Sorgente Sorgeto Not recorded
- Bocca Grande Not recorded
- Terme di Agnano Not recorded
- acqua solfurea Not recorded
- Centro Benessere Not recorded
- Terme Vulpacchio Not recorded
Before you go
- Check the operator, land manager or park website for current hours, fees and closures. Details in any directory can go out of date.
- Pack out everything you bring, including food scraps. Do not use soap in natural pools.
- Keep your head above water. Warm fresh water can carry Naegleria fowleri, a rare but deadly amoeba that enters through the nose.
- Drink water, limit soaks to 10 to 20 minutes at a time in very hot water, and skip alcohol.
- Read our hot spring etiquette guide and safety guide.
Frequently asked questions
Where is Parco idrotermale Poseidon?
Parco idrotermale Poseidon is in Italy, about 1.4 mile south of Forio. The GPS coordinates are 40.7176, 13.8616.
Can you soak at Parco idrotermale Poseidon?
Natural springs vary. Some have pools built by visitors, others are too hot or shallow, and some are on private land or in areas where bathing is banned. Check local rules and test the water before you get in.
What hot springs are near Parco idrotermale Poseidon?
The closest listed spring is Sorgente Sorgeto, about 1.5 miles southeast. Bocca Grande is about 17 miles away.
What should I bring to a hot spring?
Water to drink, a towel, sandals with grip, a bag to pack out trash, and warm layers for after your soak. At primitive springs bring a headlamp and tell someone where you are going.
Sources and corrections
This listing combines OpenStreetMap. Data last refreshed August 2026. Source 1
Visited recently? Send a correction, such as a temperature reading, fee, closure or photo. If you look after this spring and want it removed, see removal requests.