# Iwatsu Bridge, Japan: what it is and when to go

> Iwatsu Bridge is a bridge in Aga, Japan (岩津橋) (Niigata). Interests: Architecture. The best time to visit is February to May and October to November. In June there are 14 h 36 of daylight, and in December, 9 h 24. It has an article in one Wikipedia, 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/iwatsu-bridge/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Bridge in Aga, Japan · Architecture
- **Local name:** 岩津橋
- **Where:** Japan
- **Best time:** February to May and October to November.
- **Nearest airport:** NRT Narita, 235 km as the crow flies
- **Coordinates:** 37.71603, 139.36705

## What it is and where

Iwatsu Bridge is a bridge in Aga, Japan (岩津橋) (Niigata). It has an article in one Wikipedia, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace.

It is in [Niigata](https://kokai.app/en/paises/asia/japon/niigata/), where this site lists 27 more places to see, 37 km from the centre.

Its coordinates are 37.71603, 139.36705; the nearest main airport is Narita International Airport (NRT, Narita), 235 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=37.716033%2C139.367046)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=37.716033%2C139.367046)

It is one of the [Architecture](https://kokai.app/en/paises/asia/japon/arquitectura/) 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 Iwatsu Bridge is **February to May and October to November**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 9 h 40 |
| February | Best time | 10 h 36 |
| March | Best time | 11 h 43 |
| April | Best time | 12 h 59 |
| May | Best time | 14 h 02 |
| June | Possible | 14 h 36 |
| July | Possible | 14 h 22 |
| August | Possible | 13 h 27 |
| September | Possible | 12 h 14 |
| October | Best time | 11 h |
| November | Best time | 9 h 55 |
| December | Possible | 9 h 24 |

In June there are 14 h 36 of daylight, and in December, 9 h 24. 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.

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

- [Shirosaki Bridge](https://kokai.app/en/paises/asia/japon/shirosaki-bridge/): Bridge in Aga, Japan · 1.3 km
- [Mikawa Onsen Skiing Ground](https://kokai.app/en/paises/asia/japon/mikawa-onsen/): Ski Field in Niigata prefecture, Japan · 2.5 km
- [Toriage Bridge](https://kokai.app/en/paises/asia/japon/toriage-bridge/): Bridge in Aga, Japan · 4.1 km
- [Mt. Gozu](https://kokai.app/en/paises/asia/japon/mt-gozu/): Summit · 9.6 km
- [Suntopia World](https://kokai.app/en/paises/asia/japon/suntopia-world/): With kids · 11 km

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

## More in Japan: Architecture

- [Akashi Kaikyo Bridge](https://kokai.app/en/paises/asia/japon/akashi-kaikyo-bridge/): suspension bridge in Kobe, Japan
- [Tokyo Tower](https://kokai.app/en/paises/asia/japon/torre-de-tokio/): tower in Tokyo, Japan
- [Rainbow Bridge](https://kokai.app/en/paises/asia/japon/puente-rainbow/): suspension bridge across the Tokyo Bay, Japan
- [Eshima Ohashi Bridge](https://kokai.app/en/paises/asia/japon/puente-eshima-ohashi/): Japanese rigid-frame bridge
- [Tatara Bridge](https://kokai.app/en/paises/asia/japon/gran-puente-de-tatara/): cable-stayed bridge
- [Kobe Port Tower](https://kokai.app/en/paises/asia/japon/kobe-port-tower/): observation tower

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

## Frequently asked questions

### What is Iwatsu Bridge?

It is a bridge in Aga, Japan (岩津橋 in the local language). It has an article in one Wikipedia, 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 Iwatsu Bridge?

February to May and October to November. In June there are 14 h 36 of daylight, and in December, 9 h 24.

### How do you get to Iwatsu Bridge?

The nearest main airport is Narita International Airport (NRT), 235 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=37.716033%2C139.367046) 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 [Shirosaki Bridge](https://kokai.app/en/paises/asia/japon/shirosaki-bridge/), [Mikawa Onsen Skiing Ground](https://kokai.app/en/paises/asia/japon/mikawa-onsen/), [Toriage Bridge](https://kokai.app/en/paises/asia/japon/toriage-bridge/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/1133962104), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q105975753), CC0. More about Iwatsu Bridge on [Wikipedia](https://ja.wikipedia.org/wiki/%E5%B2%A9%E6%B4%A5%E6%A9%8B_(%E9%98%BF%E8%B3%80%E7%94%BA)). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

