# Helios Fountain, France: what it is and when to go

> Helios Fountain is a hot spring (Source des Hélions 3) in France. Interests: Hot springs. The best time to visit is March to October. In June there are 15 h 57 of daylight, and in December, 8 h 03. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/europa/francia/helios-fountain/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Hot spring · Hot springs
- **Local name:** Source des Hélions 3
- **Where:** France
- **Best time:** March to October.
- **Nearest airport:** CDG Paris (Roissy-en-France, Val-d'Oise), 385 km as the crow flies
- **Coordinates:** 48.9433, 7.8231

## What it is and where

Helios Fountain is a hot spring (Source des Hélions 3) in France.

Its coordinates are 48.9433, 7.8231; the nearest main airport is Charles de Gaulle International Airport (CDG, Paris (Roissy-en-France, Val-d'Oise)), 385 km as the crow flies. How to get around France (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/francia/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=48.943296%2C7.823096)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=48.943296%2C7.823096)

It is one of the [Hot springs](https://kokai.app/en/paises/europa/francia/termal/) places in France. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

The best time to visit Helios Fountain is **March to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 28 |
| February | Possible | 9 h 54 |
| March | Best time | 11 h 34 |
| April | Best time | 13 h 28 |
| May | Best time | 15 h 04 |
| June | Best time | 15 h 57 |
| July | Best time | 15 h 35 |
| August | Best time | 14 h 11 |
| September | Best time | 12 h 20 |
| October | Best time | 10 h 30 |
| November | Possible | 8 h 52 |
| December | Possible | 8 h 03 |

In June there are 15 h 57 of daylight, and in December, 8 h 03. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

When to go to France in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/francia/#cuando-ir).

## Before you go to France

To enter France there are 6 things to sort out before you leave, starting with “Valid ID card (DNI) or passport”: they are all, with their deadlines, in [the France checklist](https://kokai.app/en/paises/europa/francia/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and E · 230 V · 50 Hz; emergencies: 112 · 15 ambulance (SAMU) · 17 police · 18 fire brigade.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [Saint-Martin-et-Saint-Arbogast de Surbourg](https://kokai.app/en/paises/europa/francia/collegiale-saint-martin-et-saint-arbogast/): Collegiate church located in Bas-Rhin, in France · 4.2 km
- [Ancienne maison Muntz](https://kokai.app/en/paises/europa/francia/maison-muntz/): House in Soultz-sous-Forêts, France · 4.5 km
- [Chez Georges](https://kokai.app/en/paises/europa/francia/chez-georges/): Brewery · 4.5 km
- [Château de Wœrth](https://kokai.app/en/paises/europa/francia/chateau-de-woerth/): Castle in Bas-Rhin, Alsace, France · 5.6 km
- [Didi'Land](https://kokai.app/en/paises/europa/francia/didi-land/): With kids · 6.1 km

Distances are as the crow flies. Everything else is in [the France guide](https://kokai.app/en/paises/europa/francia/).

## More in France: Hot springs

- [Établissement thermal de Néris-les-Bains](https://kokai.app/en/paises/europa/francia/thermes-de-neris-les-bains/)
- [Thermes de Saint Gervais Mont-Blanc](https://kokai.app/en/paises/europa/francia/thermes-de-saint-gervais-les-bains/): French spa
- [Banys de Llo](https://kokai.app/en/paises/europa/francia/bains-de-llo/)
- [Buvette Prouvé-Novarina](https://kokai.app/en/paises/europa/francia/buvette-prouve-novarina/)
- [Plan de Phazy](https://kokai.app/en/paises/europa/francia/source-de-la-rotonde/): Hot spring
- [Spa house in Mont-Dore](https://kokai.app/en/paises/europa/francia/thermes-du-mont-dore/): Hot spring bath

Every France place under Hot springs, each with its season, is on [its page](https://kokai.app/en/paises/europa/francia/termal/).

## Frequently asked questions

### What is Helios Fountain?

It is a hot spring (Source des Hélions 3 in the local language) in France.

### When is the best time to visit Helios Fountain?

March to October. In June there are 15 h 57 of daylight, and in December, 8 h 03.

### How do you get to Helios Fountain?

The nearest main airport is Charles de Gaulle International Airport (CDG), 385 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=48.943296%2C7.823096) opens the route on the map, and how to get around France is explained in [its country guide](https://kokai.app/en/paises/europa/francia/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the France map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [Saint-Martin-et-Saint-Arbogast de Surbourg](https://kokai.app/en/paises/europa/francia/collegiale-saint-martin-et-saint-arbogast/), [Ancienne maison Muntz](https://kokai.app/en/paises/europa/francia/maison-muntz/), [Chez Georges](https://kokai.app/en/paises/europa/francia/chez-georges/). The rest is in [the France guide](https://kokai.app/en/paises/europa/francia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/node/7773667628), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).