# Mount Ishiwari, Japan: what it is and when to go

> Mount Ishiwari is a mountain in Japan (石割山) (Hachiōji), at 1,413 m above sea level. Interests: Nature and Mountains. The best time to visit is April to May and October. In June there are 14 h 23 of daylight, and in December, 9 h 37. It has articles in 2 Wikipedias, so it is not one of the busiest places in Japan: 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/asia/japon/mt-ishiwari/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Mountain in Japan · Nature, Mountains
- **Local name:** 石割山
- **Where:** Japan
- **Elevation:** 1,413 m
- **Best time:** April to May and October.
- **Nearest airport:** HND Tokyo, 81 km as the crow flies
- **Coordinates:** 35.45049, 138.90136

## What it is and where

Mount Ishiwari is a mountain in Japan (石割山) (Hachiōji), at 1,413 m above sea level. It has articles in 2 Wikipedias, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace.

It is in [Hachiōji](https://kokai.app/en/paises/asia/japon/hachioji/), where this site lists 155 more places to see, 45 km from the centre.

Its coordinates are 35.45049, 138.90136; the nearest main airport is Tokyo Haneda International Airport (HND, Tokyo), 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=35.450491%2C138.901359)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=35.450491%2C138.901359)

It is one of the [Nature](https://kokai.app/en/paises/asia/japon/naturaleza/) and [Mountains](https://kokai.app/en/paises/asia/japon/montana/) 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 Mount Ishiwari is **April to May and October**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 9 h 51 |
| February | Possible | 10 h 43 |
| March | Possible | 11 h 44 |
| April | Best time | 12 h 54 |
| May | Best time | 13 h 52 |
| June | Possible | 14 h 23 |
| July | Possible | 14 h 10 |
| August | Possible | 13 h 20 |
| September | Possible | 12 h 13 |
| October | Best time | 11 h 05 |
| November | Possible | 10 h 06 |
| December | Possible | 9 h 37 |

In June there are 14 h 23 of daylight, and in December, 9 h 37. 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 |
| --- | --- | --- |
| Nature | April to May and October | November to March and June to September |
| Mountains | April to May and October | November to March and June to September |

It is not the same trip whatever you come for: Mount Ishiwari 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

- [Lake Yamanaka](https://kokai.app/en/paises/asia/japon/lake-yamanaka/): Lake in Yamanakako, Chūbu region, Japan · 4.3 km
- [Mount Mishōtai](https://kokai.app/en/paises/asia/japon/mt-mishotai/): Mountain in Japan · 4.9 km
- [Mount Shakushi](https://kokai.app/en/paises/asia/japon/mt-shakushi/): Mountain in Japan · 5.0 km
- [Yamanakako Onsen Benifuji-no-Yu Hot Spring](https://kokai.app/en/paises/asia/japon/yamanakako-onsen-benifuji-no-yu-hot-spring/): Onsen · 5.8 km
- [Oshino Hakkai](https://kokai.app/en/paises/asia/japon/oshino-hakkai/): Springs in Oshino, Yamanashi, Japan · 6.3 km

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

## More in Japan: Nature

- [Mount Fuji](https://kokai.app/en/paises/asia/japon/monte-fuji/): volcano in Yamanashi and Shizuoka Prefectures, Japan
- [Itsukushima Shrine](https://kokai.app/en/paises/asia/japon/santuario-itsukushima/): Shinto shrine in Hiroshima Prefecture, Japan
- [Tokyo Bay](https://kokai.app/en/paises/asia/japon/bahia-de-tokio/): bay in Japan
- [Mount Asama](https://kokai.app/en/paises/asia/japon/asama/): volcano on the border of Gunma and Nagano prefectures in Japan
- [Sakurajima](https://kokai.app/en/paises/asia/japon/sakurajima/): volcano and island located in Kagoshima prefecture, Japan
- [Mount Aso](https://kokai.app/en/paises/asia/japon/monte-aso/): volcano in Kumamoto Prefecture, Japan

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

## Frequently asked questions

### What is Mount Ishiwari?

It is a mountain in Japan (石割山 in the local language). It has articles in 2 Wikipedias, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace.

### When is the best time to visit Mount Ishiwari?

April to May and October. In June there are 14 h 23 of daylight, and in December, 9 h 37.

### How do you get to Mount Ishiwari?

The nearest main airport is Tokyo Haneda International Airport (HND), 81 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=35.450491%2C138.901359) 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 [Lake Yamanaka](https://kokai.app/en/paises/asia/japon/lake-yamanaka/), [Mount Mishōtai](https://kokai.app/en/paises/asia/japon/mt-mishotai/), [Mount Shakushi](https://kokai.app/en/paises/asia/japon/mt-shakushi/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/).

Data from [OpenStreetMap](https://www.openstreetmap.org/node/1863871113), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q31517170), CC0. More about Mount Ishiwari on [Wikipedia](https://ja.wikipedia.org/wiki/%E7%9F%B3%E5%89%B2%E5%B1%B1). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

