Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
23.8km²
Area
58km
Coastline
318m
Highest point
Yoake Yama
2,400
People
28°C
Warmest sea
August
1,564km
To the mainland
When to go to Chichijima
Best for the beach from June to September and in November.
The sea is warmest in August (28 °C) and coolest in February (21 °C). Comfortable swimming (21 °C or more): from April to January.
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Main island of the Bonin/Ogasawara archipelago, administered as the seat of a subdistrict of Tokyo, Japan
Chichijima is an island in Japan. It covers 23.8 km², with 58 km of coastline. Its highest point, Yoake Yama, rises to 318 m. About 2,400 people live on it. The nearest mainland is 1,564 km away.
Getting there
- Ferries1 ferry terminals on the island
- 1,564 km from the mainlanddistance to the nearest continental coast
- From June to September and Novemberbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Chichijima.
- 20beachesKominato Beach and 19 more
- 11viewpointsWeather Station, Nakayama Observation Deck and 9 more
- 3lighthouses
- 1ferry terminals
- 20named peaksMt. Chūō, Mt. Yoake, Mt. Tsutsuji and 17 more
- 1waterfalls
- 1hotels, guesthouses and apartments
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
Cross-checked with our atlases
Chichijima in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Chichijima, each with its own numbers.
7mountainsPeakyas
1waterfallCascadyas
Highest point
308m
Yoake Yama
according to Peakyas
7 mountains
on Peakyas, the mountain atlas
- Yoake Yama308m
- Taka Yama228m
- Yagyū San
- Mikazuki Yama
- Kuwanoki Yama
- Tori Yama
- Chūō Zan
1 waterfalls
on Cascadyas, the waterfall atlas
- Tokoyono Taki
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 110 m above the sea. 81 % of it is below 200 m.
- 30 %0–50 m
- 51 %50–200 m
- 19 %200–500 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Size, for real
Next to islands you may know.
5 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Ogasawara2,929 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 20 | 20 | 20 | 22 | 24 | 26 | 28 | 28 | 28 | 27 | 25 | 22 |
| Night low (°C) | 18 | 18 | 19 | 20 | 23 | 26 | 27 | 28 | 28 | 26 | 24 | 21 |
| Sea (°C) | 22 | 21 | 21 | 22 | 23 | 26 | 28 | 28 | 28 | 27 | 26 | 24 |
| Rain (mm) | 61 | 35 | 79 | 106 | 161 | 116 | 88 | 120 | 122 | 115 | 91 | 86 |
| Wet days | 11 | 8 | 11 | 13 | 17 | 13 | 14 | 17 | 16 | 16 | 12 | 12 |
| Sun h/day | 4.8 | 6.0 | 6.3 | 6.2 | 6.4 | 8.2 | 9.7 | 9.1 | 8.4 | 7.1 | 5.6 | 4.4 |
| Wind (km/h) | 26 | 24 | 24 | 22 | 19 | 17 | 17 | 20 | 21 | 22 | 23 | 24 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | +1.5 | +1.0 | +0.8 | −0.3 | +0.1 | +1.1 | +0.9 | +1.5 | +1.7 | +1.4 | +0.3 | +0.6 |
| 2021 | +0.2 | +1.1 | +0.9 | +0.6 | +2.2 | +1.1 | +0.2 | −0.2 | +1.4 | −0.1 | −0.9 | +0.2 |
| 2022 | −0.1 | −0.3 | +0.5 | +0.8 | +1.3 | +1.0 | +0.6 | +1.2 | +0.4 | ±0.0 | −0.3 | ±0.0 |
| 2023 | −0.3 | −0.2 | ±0.0 | +0.7 | +0.9 | +0.7 | +0.5 | +0.2 | +0.5 | +0.3 | ±0.0 | −0.1 |
| 2024 | −0.3 | +0.3 | +0.7 | +1.1 | +0.8 | +0.9 | +1.8 | +0.6 | +0.4 | +0.9 | +1.1 | −0.4 |
| 2025 | −0.5 | −0.3 | −0.7 | −0.8 | +1.3 | +1.4 | −0.5 | +0.2 | +1.7 | +1.4 | +1.1 | +1.1 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.




Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q1072125) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Beaches, mountains, lakes and waterfalls | Peakyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

