Ōnohara Islands

Island Group of small islands administered by Tokyo

Main image
Ohnoharajima Miyakemura Tokyo 20170930 s.jpg
Ohnoharajima01.jpg

Ōnohara Islands are a group of islands listed as a landmark in Tokyo, Japan, located at latitude 34.04633 and longitude 139.38247.

They are identified in the Tokyo administrative area; the input does not detail individual islets, ecology, or visitor services.

The islands are natural geographic features; no historical construction or establishment dates are included in the supplied information.

The group lies within Tokyo’s administrative region; the input does not provide distances to Tokyo central districts or transport details.

  • Coordinates: Latitude 34.04633, longitude 139.38247.
Ōnohara Islands
34.0463, 139.3825

How to Get to Ōnohara Islands #

Access is by small boat or fishing charter from mainland harbors around Tokyo or Tokyo’s outlying islands; schedules are sporadic and private charters are common.

Tips for Visiting Ōnohara Islands #

  • Ferry schedules from central Tokyo (or nearby islands) are limited - check timetables in advance.
  • Bring seasickness remedies for the crossing; small-boat rides can be choppy.
  • Respect local wildlife and do not disturb nesting birds if landing on remote islets.

Best Time to Visit Ōnohara Islands #

Spring through autumn offers the most reliable access and pleasant weather for visiting the small Ōnohara islets.

Spring-autumn
Apr-Oct · 12-28°C
Calmer seas and the best window for island hopping and fishing.
Winter
Nov-Mar · 1-10°C
Cool, often windy; fewer services and rougher crossings.

Weather & Climate near Ōnohara Islands #

Climate
Temperature & Rainfall
Temperature Range
30°
Warmest Month
Coldest Month
Monthly Conditions

January

Weather

0.4
UV Index
Low
10.0h daylight

February

Weather

0.6
UV Index
Moderate
10.8h daylight

March

Weather

0.9
UV Index
Moderate
11.8h daylight

April

Weather

1.2
UV Index
High
12.9h daylight

May

Weather

1.5
UV Index
High
13.8h daylight

June

Weather

1.5
UV Index
Very High
14.3h daylight

July

Weather

1.8
UV Index
Very High
14.1h daylight

August

Weather

1.8
UV Index
Very High
13.3h daylight

September

Weather

1.4
UV Index
High
12.3h daylight

October

Weather

0.9
UV Index
Moderate
11.2h daylight

November

Weather

0.5
UV Index
Moderate
10.2h daylight

December

Weather

0.4
UV Index
Low
9.7h daylight

Nearby Attractions to Ōnohara Islands