# Observatoire de Vernon, France: what it is and when to go > Observatoire de Vernon is an observatory in France (Rouen). Interests: Stargazing. The best time to visit is November to March. In June there are 15 h 59 of daylight, and in December, 8 h 01. 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/observatoire-de-vernon/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Observatory · Stargazing - **Where:** France · L1 - **You can go:** November to March. - **Nearest airport:** ORY Paris (Orly, Val-de-Marne), 76 km as the crow flies - **Coordinates:** 49.10708, 1.49768 ## What it is and where Observatoire de Vernon is an observatory in France (Rouen). It is in [Rouen](https://kokai.app/en/paises/europa/francia/ruan/), where this site lists 82 more places to see, 47 km from the centre. Its coordinates are 49.10708, 1.49768; the nearest main airport is Paris-Orly Airport (ORY, Paris (Orly, Val-de-Marne)), 76 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=49.107085%2C1.497678) - [Directions](https://www.google.com/maps/dir/?api=1&destination=49.107085%2C1.497678) It is one of the [Stargazing](https://kokai.app/en/paises/europa/francia/estrellas/) 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 Months when you can visit Observatoire de Vernon: **November to March**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 8 h 26 | | February | Possible | 9 h 53 | | March | Possible | 11 h 34 | | April | Better not | 13 h 28 | | May | Better not | 15 h 05 | | June | Better not | 15 h 59 | | July | Better not | 15 h 37 | | August | Better not | 14 h 12 | | September | Better not | 12 h 20 | | October | Better not | 10 h 30 | | November | Possible | 8 h 51 | | December | Possible | 8 h 01 | In June there are 15 h 59 of daylight, and in December, 8 h 01. 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 - [Château des Tourelles](https://kokai.app/en/paises/europa/francia/chateau-des-tourelles/): French castle in the commune of Vernon, Eure · 1.2 km - [Château de Bizy](https://kokai.app/en/paises/europa/francia/chateau-de-bizy/): Chateau in Vernon, France · 3.5 km - [musée des impressionnismes Giverny](https://kokai.app/en/paises/europa/francia/musee-des-impressionnismes/): Museum in Giverny, France · 4.2 km - [Castle of La Roche-Guyon](https://kokai.app/en/paises/europa/francia/chateau-de-la-roche-guyon/): Castle · 9.9 km - [De Villennes-sur-Seine à Villers-sur-Mer, accès](https://kokai.app/en/paises/europa/francia/de-villennes-sur-seine-a-villers-sur-mer-acces/): Hiking · 10 km Distances are as the crow flies. Everything else is in [the France guide](https://kokai.app/en/paises/europa/francia/). ## More in France: Stargazing - [Paris Observatory](https://kokai.app/en/paises/europa/francia/observatorio-de-paris/): foremost astronomical observatory of France - [University of Bordeaux](https://kokai.app/en/paises/europa/francia/observatoire-de-bordeaux/): university in France - [Observatory of Strasbourg](https://kokai.app/en/paises/europa/francia/observatoire-astronomique-de-strasbourg/): astronomical observatory in France - [List of astronomical observatories](https://kokai.app/en/paises/europa/francia/d51-plateau-astronomique-de-la-couronne-palc/): Wikimedia list article - [Pises Observatory](https://kokai.app/en/paises/europa/francia/observatoire-des-pises/): astronomical observatory in France - [Lyon Observatory](https://kokai.app/en/paises/europa/francia/observatoire-de-lyon/): school in France Every France place under Stargazing, each with its season, is on [its page](https://kokai.app/en/paises/europa/francia/estrellas/). ## Frequently asked questions ### What is Observatoire de Vernon? It is an observatory in France. ### When is the best time to visit Observatoire de Vernon? November to March. In June there are 15 h 59 of daylight, and in December, 8 h 01. ### How do you get to Observatoire de Vernon? The nearest main airport is Paris-Orly Airport (ORY), 76 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=49.107085%2C1.497678) 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 [Château des Tourelles](https://kokai.app/en/paises/europa/francia/chateau-des-tourelles/), [Château de Bizy](https://kokai.app/en/paises/europa/francia/chateau-de-bizy/), [musée des impressionnismes Giverny](https://kokai.app/en/paises/europa/francia/musee-des-impressionnismes/). The rest is in [the France guide](https://kokai.app/en/paises/europa/francia/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/854959020), 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).