# Kwasan Observatory Museum, Japan: what it is and when to go

> Kwasan Observatory Museum is an observatory (花山天文台歴史館) in Japan (Kyoto). Interests: History and Stargazing. The best time to visit is February to May and October to November. In June there are 14 h 20 of daylight, and in December, 9 h 39. 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/asia/japon/kwasan-observatory-museum/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Observatory · History, Stargazing
- **Local name:** 花山天文台歴史館
- **Where:** Japan
- **Best time:** February to May and October to November.
- **Nearest airport:** KIX Osaka, 81 km as the crow flies
- **Website:** [kwasan.kyoto-u.ac.jp](https://www.kwasan.kyoto-u.ac.jp/general/facilities/kwasan/)
- **Run by:** 京都大学
- **Coordinates:** 34.99351, 135.7933

## What it is and where

Kwasan Observatory Museum is an observatory (花山天文台歴史館) in Japan (Kyoto).

It is in [Kyoto](https://kokai.app/en/paises/asia/japon/kioto/), where this site lists 205 more places to see, 5.9 km from the centre.

Its coordinates are 34.99351, 135.7933; the nearest main airport is Kansai International Airport (KIX, Osaka), 81 km as the crow flies. How to get around Japan (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/japon/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=34.993509%2C135.793301)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=34.993509%2C135.793301)

- **Run by:** 京都大学

It is one of the [History](https://kokai.app/en/paises/asia/japon/historia/) and [Stargazing](https://kokai.app/en/paises/asia/japon/estrellas/) places in Japan. 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 Kwasan Observatory Museum is **February to May and October to November**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 9 h 54 |
| February | Best time | 10 h 44 |
| March | Best time | 11 h 44 |
| April | Best time | 12 h 53 |
| May | Best time | 13 h 50 |
| June | Possible | 14 h 20 |
| July | Possible | 14 h 08 |
| August | Possible | 13 h 19 |
| September | Possible | 12 h 12 |
| October | Best time | 11 h 06 |
| November | Best time | 10 h 08 |
| December | Possible | 9 h 39 |

In June there are 14 h 20 of daylight, and in December, 9 h 39. 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 |
| --- | --- | --- |
| History | February to May and October to November | December to January and June to September |
| Stargazing | February | November to January and March |

It is not the same trip whatever you come for: Kwasan Observatory Museum 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 Japan in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/japon/#cuando-ir).

## Before you go to Japan

To enter Japan there are 10 things to sort out before you leave, starting with “A valid passport covering your whole stay”: they are all, with their deadlines, in [the Japan checklist](https://kokai.app/en/paises/asia/japon/#antes-de-salir). Currency: Japanese yen (JPY); plugs: Type A and B · 100 V · 50/60 Hz (you need an adapter); emergencies: 110 police · 119 ambulance and fire.

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

- [Kwasan Observatory Annex](https://kokai.app/en/paises/asia/japon/kwasan-observatory-annex/): Observatory · 14 m
- [Kwasan Observatory New Building](https://kokai.app/en/paises/asia/japon/kwasan-observatory-new-building/): Observatory · 31 m
- [Kwasan Observatory](https://kokai.app/en/paises/asia/japon/kyoto-university-kwasan-observatory/): Astronomical observatory in Japan · 43 m
- [Kwasan Observatory Solar House](https://kokai.app/en/paises/asia/japon/kwasan-observatory-solar-house/): Observatory · 95 m
- [KYOTO TRAIL HIGASHIYAMA 15-2:21](https://kokai.app/en/paises/asia/japon/kyoto-trail-higashiyama-15-2-21/): Hiking · 583 m

Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/).

## More in Japan: History

- [Mount Fuji](https://kokai.app/en/paises/asia/japon/monte-fuji/): volcano in Yamanashi and Shizuoka Prefectures, Japan
- [Kiyomizu-dera](https://kokai.app/en/paises/asia/japon/kiyomizu-dera/): Buddhist temple in Higashiyama-ku, Kyoto
- [Himeji Castle](https://kokai.app/en/paises/asia/japon/himeji-2/): Japanese castle complex
- [Hiroshima Peace Memorial](https://kokai.app/en/paises/asia/japon/cupula-de-genbaku/): architectural structure
- [Itsukushima Shrine](https://kokai.app/en/paises/asia/japon/santuario-itsukushima/): Shinto shrine in Hiroshima Prefecture, Japan
- [Kinkaku-ji](https://kokai.app/en/paises/asia/japon/kinkaku-ji/): Zen Buddhist temple in Kyoto, Japan

Every Japan place under History, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/historia/).

## Frequently asked questions

### What is Kwasan Observatory Museum?

It is an observatory (花山天文台歴史館 in the local language) in Japan.

### When is the best time to visit Kwasan Observatory Museum?

February to May and October to November. In June there are 14 h 20 of daylight, and in December, 9 h 39.

### How do you get to Kwasan Observatory Museum?

The nearest main airport is Kansai International Airport (KIX), 81 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=34.993509%2C135.793301) opens the route on the map, and how to get around Japan is explained in [its country guide](https://kokai.app/en/paises/asia/japon/#moverse).

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

With one tap. In Kokai it is already on the Japan 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 [Kwasan Observatory Annex](https://kokai.app/en/paises/asia/japon/kwasan-observatory-annex/), [Kwasan Observatory New Building](https://kokai.app/en/paises/asia/japon/kwasan-observatory-new-building/), [Kwasan Observatory](https://kokai.app/en/paises/asia/japon/kyoto-university-kwasan-observatory/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/1016498495), 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).

