# GRP 123 Tour de la Wallonie Picarde (parcours principal), Belgium: what it is and when to go

> GRP 123 Tour de la Wallonie Picarde (parcours principal) is a hiking trail in Belgium (Ath). Interests: Hiking. The best time to visit is April to October. In June there are 16 h 13 of daylight, and in December, 7 h 46. 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/belgica/grp-123-tour-de-la-wallonie-picarde-parcours-principal/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Hiking trail · Hiking
- **Where:** Belgium
- **Best time:** April to October.
- **Nearest airport:** CRL Charleroi, 58 km as the crow flies
- **Trail network:** Regional
- **Run by:** SGR asbl
- **Coordinates:** 50.61935, 3.67793

## What it is and where

GRP 123 Tour de la Wallonie Picarde (parcours principal) is a hiking trail in Belgium (Ath).

It is in [Ath](https://kokai.app/en/paises/europa/belgica/ath/), where this site lists 29 more places to see, 7.1 km from the centre.

Its coordinates are 50.61935, 3.67793; the nearest main airport is Brussels South Charleroi Airport (CRL, Charleroi), 58 km as the crow flies. How to get around Belgium (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/belgica/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=50.619353%2C3.67793)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=50.619353%2C3.67793)

- **Trail network:** Regional
- **Run by:** SGR asbl

It is one of the [Hiking](https://kokai.app/en/paises/europa/belgica/senderismo/) places in Belgium. 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 GRP 123 Tour de la Wallonie Picarde (parcours principal) is **April to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 14 |
| February | Possible | 9 h 46 |
| March | Possible | 11 h 33 |
| April | Best time | 13 h 33 |
| May | Best time | 15 h 16 |
| June | Best time | 16 h 13 |
| July | Best time | 15 h 50 |
| August | Best time | 14 h 19 |
| September | Best time | 12 h 22 |
| October | Best time | 10 h 25 |
| November | Possible | 8 h 40 |
| December | Possible | 7 h 46 |

In June there are 16 h 13 of daylight, and in December, 7 h 46. 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 Belgium in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/belgica/#cuando-ir).

## Before you go to Belgium

To enter Belgium there are 5 things to sort out before you leave, starting with “Valid Spanish ID card (DNI) or passport”: they are all, with their deadlines, in [the Belgium checklist](https://kokai.app/en/paises/europa/belgica/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and E · 230 V · 50 Hz (as in France); emergencies: 112 · 101 police.

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

- [GRP 123 Tour de la Wallonie Picarde](https://kokai.app/en/paises/europa/belgica/grp-123-tour-de-la-wallonie-picarde/): Hiking · 1.8 km
- [Houtaing](https://kokai.app/en/paises/europa/belgica/chateau-de-la-berliere/): Section of Ath, Wallonia, Belgium · 2.7 km
- [Château de Moulbaix](https://kokai.app/en/paises/europa/belgica/chateau-de-moulbaix/): Castle in Moulbaix (Ath), Belgium · 2.9 km
- [Moulin de la Marquise, Moulbaix](https://kokai.app/en/paises/europa/belgica/moulin-de-la-marquise/): Windmill in Moulbaix, Belgium · 3.7 km
- [Brasserie des Légendes](https://kokai.app/en/paises/europa/belgica/brasserie-des-legendes/): Brewery · 5.6 km

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

## More in Belgium: Hiking

- [Camino de Santiago](https://kokai.app/en/paises/europa/belgica/camino-de-santiago/): Catholic pilgrimage to Santiago de Compostela, Spain
- [E3 European long distance path](https://kokai.app/en/paises/europa/belgica/ruta-europea-caminar-e3/): walking path
- [E9 European long distance path](https://kokai.app/en/paises/europa/belgica/european-long-distance-path-e9/): walking path, Europe
- [GR 12](https://kokai.app/en/paises/europa/belgica/gr-12-amsterdam-bruxelles-paris-belgium-main-route-wallonia/): long distance hiking route in the Netherlands, Belgium and France
- [Wildnis Trail](https://kokai.app/en/paises/europa/belgica/wildnis-trail/): German hiking trail
- [Beverpad](https://kokai.app/en/paises/europa/belgica/beverpad/)

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

## Frequently asked questions

### What is GRP 123 Tour de la Wallonie Picarde (parcours principal)?

It is a hiking trail in Belgium.

### When is the best time to visit GRP 123 Tour de la Wallonie Picarde (parcours principal)?

April to October. In June there are 16 h 13 of daylight, and in December, 7 h 46.

### How do you get to GRP 123 Tour de la Wallonie Picarde (parcours principal)?

The nearest main airport is Brussels South Charleroi Airport (CRL), 58 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=50.619353%2C3.67793) opens the route on the map, and how to get around Belgium is explained in [its country guide](https://kokai.app/en/paises/europa/belgica/#moverse).

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

With one tap. In Kokai it is already on the Belgium 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 [GRP 123 Tour de la Wallonie Picarde](https://kokai.app/en/paises/europa/belgica/grp-123-tour-de-la-wallonie-picarde/), [Houtaing](https://kokai.app/en/paises/europa/belgica/chateau-de-la-berliere/), [Château de Moulbaix](https://kokai.app/en/paises/europa/belgica/chateau-de-moulbaix/). The rest is in [the Belgium guide](https://kokai.app/en/paises/europa/belgica/).

Data from [OpenStreetMap](https://www.openstreetmap.org/relation/10494349), licensed under the ODbL. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

