# GR 121, France: what it is and when to go

> GR 121 is a long distance hiking route in France and Belgium (Râches). Interests: Hiking. The best time to visit is April to October. In June there are 16 h 11 of daylight, and in December, 7 h 49. 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/de-bon-secours-a-arras/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Long distance hiking route in France and Belgium · Hiking
- **Where:** France
- **Best time:** April to October.
- **Nearest airport:** CDG Paris (Roissy-en-France, Val-d'Oise), 159 km as the crow flies
- **Trail network:** National
- **Run by:** FFRP
- **Coordinates:** 50.37755, 3.19004

## What it is and where

GR 121 is a long distance hiking route in France and Belgium (Râches).

It is in [Râches](https://kokai.app/en/paises/europa/francia/raches/), where this site lists 29 more places to see, 5.5 km from the centre.

Its coordinates are 50.37755, 3.19004; the nearest main airport is Charles de Gaulle International Airport (CDG, Paris (Roissy-en-France, Val-d'Oise)), 159 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=50.377551%2C3.190037)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=50.377551%2C3.190037)

- **Trail network:** National
- **Run by:** FFRP

It is one of the [Hiking](https://kokai.app/en/paises/europa/francia/senderismo/) 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 GR 121 is **April to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 16 |
| February | Possible | 9 h 47 |
| March | Possible | 11 h 33 |
| April | Best time | 13 h 32 |
| May | Best time | 15 h 14 |
| June | Best time | 16 h 11 |
| July | Best time | 15 h 47 |
| August | Best time | 14 h 18 |
| September | Best time | 12 h 21 |
| October | Best time | 10 h 26 |
| November | Possible | 8 h 42 |
| December | Possible | 7 h 49 |

In June there are 16 h 11 of daylight, and in December, 7 h 49. 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

- [Anchin Abbey](https://kokai.app/en/paises/europa/francia/ancienne-abbaye-d-anchain/): Abbey located in Nord, France · 2.2 km
- [Boucle 5 - Au cœur de l'héritage religieux et minier de l'Ostrevent](https://kokai.app/en/paises/europa/francia/boucle-5-au-coeur-de-l-heritage-religieux-et-minier-de-l-ost/): Hiking · 3.1 km
- [réserve naturelle régionale de la tourbière de Vred](https://kokai.app/en/paises/europa/francia/reserve-naturelle-regionale-de-la-tourbiere-de-vred/): Nature reserve in Hauts-de-France · 4.1 km
- [Etang des Argales  (Réserve ornithologique)](https://kokai.app/en/paises/europa/francia/etang-des-argales-reserve-ornithologique/): Protected area · 4.2 km
- [Boucle 4 - Le Douaisis à pas de Géants](https://kokai.app/en/paises/europa/francia/boucle-4-le-douaisis-a-pas-de-geants/): Hiking · 4.2 km

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

## More in France: Hiking

- [Camino de Santiago](https://kokai.app/en/paises/europa/francia/camino-de-santiago/): Catholic pilgrimage to Santiago de Compostela, Spain
- [French Way](https://kokai.app/en/paises/europa/francia/camino-frances-01-san-juan-pie-de-puerto-a-logrono/): pilgrims' way, part of Santiago Way
- [GR 20](https://kokai.app/en/paises/europa/francia/gr-20/): long distance hiking route in France
- [E3 European long distance path](https://kokai.app/en/paises/europa/francia/ruta-europea-caminar-e3/): walking path
- [Tour du Mont Blanc](https://kokai.app/en/paises/europa/francia/tour-du-mont-blanc-itineraire-principal/): long distance hiking route in France, Italy and Switzerland
- [E9 European long distance path](https://kokai.app/en/paises/europa/francia/european-long-distance-path-e9/): walking path, Europe

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

## Frequently asked questions

### What is GR 121?

It is a long distance hiking route in France and Belgium.

### When is the best time to visit GR 121?

April to October. In June there are 16 h 11 of daylight, and in December, 7 h 49.

### How do you get to GR 121?

The nearest main airport is Charles de Gaulle International Airport (CDG), 159 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=50.377551%2C3.190037) 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 [Anchin Abbey](https://kokai.app/en/paises/europa/francia/ancienne-abbaye-d-anchain/), [Boucle 5 - Au cœur de l'héritage religieux et minier de l'Ostrevent](https://kokai.app/en/paises/europa/francia/boucle-5-au-coeur-de-l-heritage-religieux-et-minier-de-l-ost/), [réserve naturelle régionale de la tourbière de Vred](https://kokai.app/en/paises/europa/francia/reserve-naturelle-regionale-de-la-tourbiere-de-vred/). The rest is in [the France guide](https://kokai.app/en/paises/europa/francia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/relation/6263294), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q3478687), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

