Developed hot spring pool · France
Thermes Lédonia
France
Last updated
- Type
- Developed Developed hot spring pool
- Water temperature
- 63°F (17°C) at the source
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Lons-le-Saunier
- Coordinates
- Pools or sources
- 1
About Thermes Lédonia
Thermes Lédonia is a developed hot spring pool in France, on the edge of Lons-le-Saunier. The nearest large city is Oyonnax, roughly 29 miles away as the crow flies.
The temperature at the source has been recorded at 63°F (17°C). That puts it in the "cool to lukewarm" range. Below body temperature. Refreshing in summer, chilly in winter.
This is a developed site with built pools, tubs or a bathhouse, so there is usually an entry fee, set opening hours and basic facilities.
Water temperature
Cool to lukewarm. Below body temperature. Refreshing in summer, chilly in winter.
Readings come from OpenStreetMap mappers, and other public sources. Temperatures change with season, flow and pool design. See our soak temperature guide for safe soaking times.
Map and directions
Red marks Thermes Lédonia. Other colored dots are nearby springs in this directory. Coordinates: 46.67185, 5.56055.
Getting there
- Nearest town: Lons-le-Saunier.
- Nearest large city: Oyonnax, about 29 miles (47 km) in a straight line.
- Planning from a city? See hot springs near Genève, Switzerland.
- 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 Thermes Lédonia
- ThermaSalina Not recorded
- Thermes de Thonon-les-Bains 90°F
- Centre thermal d'Yverdon-les-Bains Not recorded
- Buvette Prouvé-Novarina Not recorded
- L’Edelweiss spa Not recorded
- Thermes Chevalley 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 Details in any directory can go out of date.
- 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
How hot is Thermes Lédonia?
The temperature at the source has been recorded at 63°F (17°C), which is cool to lukewarm. Below body temperature. Refreshing in summer, chilly in winter.
Where is Thermes Lédonia?
Thermes Lédonia is in France, at Lons-le-Saunier. The GPS coordinates are 46.6718, 5.5606.
What hot springs are near Thermes Lédonia?
The closest listed spring is ThermaSalina, about 24 miles northeast. Thermes de Thonon-les-Bains is about 48 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 Source 2 Source 3 Source 4
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.