# Fortress of Mimoyecques, France: what it is and when to go

> Fortress of Mimoyecques is a Second World War underground military complex built by Nazi Germany between 1943 and 1944 to house a battery of V-3 cannons aimed at London, 165 kilometres (103 mi) away in France (Calais). Interests: Museums and art, Nature and Wildlife. The best time to visit is March to October. In June there are 16 h 16 of daylight, and in December, 7 h 44. It has articles in 10 Wikipedias, so it is not one of the busiest places in France: one to enjoy at a calmer pace. 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/forteresse-de-mimoyecques/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Second World War underground military complex built by Nazi Germany between 1943 and 1944 to house a battery of V-3 cannons aimed at London, 165 kilometres (103 mi) away · Museums and art, Nature, Wildlife
- **Where:** France
- **Best time:** March to October.
- **Nearest airport:** CDG Paris (Roissy-en-France, Val-d'Oise), 213 km as the crow flies
- **Website:** [mimoyecques.fr](https://mimoyecques.fr/fr/fr/accueil/)
- **Coordinates:** 50.85281, 1.75923

## What it is and where

Fortress of Mimoyecques is a Second World War underground military complex built by Nazi Germany between 1943 and 1944 to house a battery of V-3 cannons aimed at London, 165 kilometres (103 mi) away in France (Calais). It has articles in 10 Wikipedias, so it is not one of the busiest places in France: one to enjoy at a calmer pace.

It is in [Calais](https://kokai.app/en/paises/europa/francia/calais/), where this site lists 22 more places to see, 12 km from the centre.

Its coordinates are 50.85281, 1.75923; the nearest main airport is Charles de Gaulle International Airport (CDG, Paris (Roissy-en-France, Val-d'Oise)), 213 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=50.852811%2C1.759229)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=50.852811%2C1.759229)

It is one of the [Museums and art](https://kokai.app/en/paises/europa/francia/museos/), [Nature](https://kokai.app/en/paises/europa/francia/naturaleza/) and [Wildlife](https://kokai.app/en/paises/europa/francia/fauna/) 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 Fortress of Mimoyecques is **March to October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 12 |
| February | Possible | 9 h 45 |
| March | Best time | 11 h 32 |
| April | Best time | 13 h 34 |
| May | Best time | 15 h 18 |
| June | Best time | 16 h 16 |
| July | Best time | 15 h 52 |
| August | Best time | 14 h 20 |
| September | Best time | 12 h 22 |
| October | Best time | 10 h 24 |
| November | Possible | 8 h 38 |
| December | Possible | 7 h 44 |

In June there are 16 h 16 of daylight, and in December, 7 h 44. 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.

| What you come for | Best time | Possible |
| --- | --- | --- |
| Museums and art | March to October | November to February |
| Nature | April to October | November to March |
| Wildlife | April to October | November to March |

It is not the same trip whatever you come for: Fortress of Mimoyecques has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you.

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

- [réserve naturelle régionale du mont de Couple](https://kokai.app/en/paises/europa/francia/reserve-naturelle-du-mont-de-couple/): Nature reserve in Nord-Pas-de-Calais · 4.1 km
- [Mont de Couple](https://kokai.app/en/paises/europa/francia/mont-de-couple/): Summit · 4.3 km
- [Tour du Calaisis](https://kokai.app/en/paises/europa/francia/tour-du-calaisis/): Hiking route in France · 5.9 km
- [Le Mont de Sombre](https://kokai.app/en/paises/europa/francia/mont-de-sombre/): Summit · 6.1 km
- [Tour du Boulonnais](https://kokai.app/en/paises/europa/francia/tour-du-boulonnais/): Hiking route in France · 7.3 km

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

## More in France: Museums and art

- [Louvre](https://kokai.app/en/paises/europa/francia/museo-del-louvre/): art and archeology museum in Paris, France
- [Besançon](https://kokai.app/en/paises/europa/francia/enceinte-urbaine-de-besancon/)
- [Musée d'Orsay](https://kokai.app/en/paises/europa/francia/museo-de-orsay/): art museum in Paris, France
- [Bayeux Tapestry](https://kokai.app/en/paises/europa/francia/musee-de-la-tapisserie-de-bayeux/): embroidered wall-hanging art depicting the Norman invasion of England
- [Centre Pompidou](https://kokai.app/en/paises/europa/francia/centro-pompidou/): national cultural center of contemporary art in Paris, France
- [Château de Montsoreau-Museum of Contemporary Art](https://kokai.app/en/paises/europa/francia/chateau-de-montsoreau-museum-of-contemporary-art/): museum of Contemporary art in France

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

## Frequently asked questions

### What is Fortress of Mimoyecques?

It is a Second World War underground military complex built by Nazi Germany between 1943 and 1944 to house a battery of V-3 cannons aimed at London, 165 kilometres (103 mi) away in France. It has articles in 10 Wikipedias, so it is not one of the busiest places in France: one to enjoy at a calmer pace.

### When is the best time to visit Fortress of Mimoyecques?

March to October. In June there are 16 h 16 of daylight, and in December, 7 h 44.

### How do you get to Fortress of Mimoyecques?

The nearest main airport is Charles de Gaulle International Airport (CDG), 213 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=50.852811%2C1.759229) 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 [réserve naturelle régionale du mont de Couple](https://kokai.app/en/paises/europa/francia/reserve-naturelle-du-mont-de-couple/), [Mont de Couple](https://kokai.app/en/paises/europa/francia/mont-de-couple/), [Tour du Calaisis](https://kokai.app/en/paises/europa/francia/tour-du-calaisis/). The rest is in [the France guide](https://kokai.app/en/paises/europa/francia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/node/5656267513), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q1812334), CC0. More about Fortress of Mimoyecques on [Wikipedia](https://es.wikipedia.org/wiki/Fortaleza_de_Mimoyecques). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).