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
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 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
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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.
1waterfallCascadyas
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 | 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.
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