# GR 16 Variante source de la Semois, Belgium: what it is and when to go

> GR 16 Variante source de la Semois is a hiking trail in Belgium (Arlon). Interests: Hiking. The best time to visit is April to October. In June there are 16 h 04 of daylight, and in December, 7 h 56. 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/gr-16-variante-source-de-la-semois/
- 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:** LGG Grâce-Hollogne, 109 km as the crow flies
- **Website:** [grsentiers.org](https://grsentiers.org/topo-guides/13-gr-16-sentier-de-la-semois-9782931078105.html)
- **Trail network:** National
- **Run by:** SGR asbl
- **Coordinates:** 49.6853, 5.8049

## What it is and where

GR 16 Variante source de la Semois is a hiking trail in Belgium (Arlon).

It is in [Arlon](https://kokai.app/en/paises/europa/belgica/arlon/), where this site lists 51 more places to see, 878 m from the centre.

Its coordinates are 49.6853, 5.8049; the nearest main airport is Liège Airport (LGG, Grâce-Hollogne), 109 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=49.685296%2C5.8049)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=49.685296%2C5.8049)

- **Trail network:** National
- **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 GR 16 Variante source de la Semois is **April to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 22 |
| February | Possible | 9 h 51 |
| March | Possible | 11 h 33 |
| April | Best time | 13 h 30 |
| May | Best time | 15 h 09 |
| June | Best time | 16 h 04 |
| July | Best time | 15 h 41 |
| August | Best time | 14 h 14 |
| September | Best time | 12 h 21 |
| October | Best time | 10 h 28 |
| November | Possible | 8 h 47 |
| December | Possible | 7 h 56 |

In June there are 16 h 04 of daylight, and in December, 7 h 56. 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

- [Archaeological Museum of Arlon](https://kokai.app/en/paises/europa/belgica/musee-archeologique/): Archaeological museum in Belgium · 435 m
- [St Martin's Church, Arlon](https://kokai.app/en/paises/europa/belgica/eglise-saint-martin/): Church located in Arlon, Belgium · 441 m
- [Gaspar Museum](https://kokai.app/en/paises/europa/belgica/musee-gaspar/): Local art museum in Belgium · 470 m
- [Brasserie d'Arlon](https://kokai.app/en/paises/europa/belgica/brasserie-d-arlon/): Brewery · 598 m
- [GR 16 Liaison Gare Arlon](https://kokai.app/en/paises/europa/belgica/gr-16-liaison-gare-arlon/): Hiking · 806 m

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 GR 16 Variante source de la Semois?

It is a hiking trail in Belgium.

### When is the best time to visit GR 16 Variante source de la Semois?

April to October. In June there are 16 h 04 of daylight, and in December, 7 h 56.

### How do you get to GR 16 Variante source de la Semois?

The nearest main airport is Liège Airport (LGG), 109 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=49.685296%2C5.8049) 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 [Archaeological Museum of Arlon](https://kokai.app/en/paises/europa/belgica/musee-archeologique/), [St Martin's Church, Arlon](https://kokai.app/en/paises/europa/belgica/eglise-saint-martin/), [Gaspar Museum](https://kokai.app/en/paises/europa/belgica/musee-gaspar/). The rest is in [the Belgium guide](https://kokai.app/en/paises/europa/belgica/).

Data from [OpenStreetMap](https://www.openstreetmap.org/relation/15270656), licensed under the ODbL. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

