Japanese Geodetic Origin Point: The Nation's Measuring Stick

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Discover Japan's Geodetic Origin Point in Tokyo: the starting point for all the nation's measurements and a landmark of precision.

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Japanese Geodetic Origin Point

The Japanese Geodetic Origin Point, located in Chiyoda City, Tokyo, marks the spot from which all geodetic measurements in Japan originate. It's a historical landmark symbolizing Japan's dedication to precision in mapping and geography.

A brief summary to Japanese Geodetic Origin Point

1 Chome-1-2 Nagatachō, Chiyoda City, 1 Chome Nagatachō, Tokyo, 100-0014, JP
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Monday 9 am-5:30 pm
Tuesday 9 am-5:30 pm
Wednesday 9 am-5:30 pm
Thursday 9 am-5:30 pm
Friday 9 am-5:30 pm
Saturday 9 am-5:30 pm
Sunday 9 am-5:30 pm

From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Japanese Geodetic Origin Point.

Combine your visit with a trip to the nearby Imperial Palace East Garden for a blend of history and natural beauty.
Take a moment to appreciate the blend of science and culture that this location represents.
If arriving by subway, use exit 5 at Nagatacho Station for the closest access.

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Getting There

Walking

If you're near the Imperial Palace, you can walk to the Japanese Geodetic Origin Point. Head northeast towards the Nagatacho area. Walk along Sakuradamon Street and continue straight. After about a 15-20 minute walk, you will reach the destination at 1 Chome-1-2 Nagatachō, Chiyoda City, Tokyo.
Public Transport

From Tokyo Station, take the Tokyo Metro Marunouchi Line to Kokkai-gijidomae Station. From there, it's a short walk to the Japanese Geodetic Origin Point. The subway fare is approximately ¥200-¥300. Alternatively, take a Toei Bus from the Marunouchi South Exit of Tokyo Station towards Nagatacho. Get off at the Nagatacho stop and walk east for about 3 minutes. The bus fare is around ¥210.
Taxi

Taxis are readily available throughout Tokyo. A taxi from Tokyo Station to the Japanese Geodetic Origin Point will cost approximately ¥1000-¥1500. Note that fares increase late in the evening (10pm to 5am).

Discover more about Japanese Geodetic Origin Point

Nestled in Tokyo's bustling Chiyoda City, the Japanese Geodetic Origin Point stands as a testament to the nation's commitment to accuracy in mapping and surveying. This unassuming site serves as the starting point for all geodetic measurements across Japan, making it a crucial reference point for the country's infrastructure and development.The origin point was initially established at the Tokyo Naval Observatory and later moved to the Tokyo Astronomical Observatory. The position of the meridian circle of the former Tokyo Astronomical Observatory was displaced by about one meter because of the crustal movement caused by the Kanto Earthquake in 1923. In 2002, revisions were made to the Survey Act, and space geodetic techniques were used to establish new longitude and latitude coordinates.While the average tourist might not immediately recognize its significance, the Geodetic Origin Point offers a unique glimpse into Japan's scientific and technological history. The site is marked by a monument that attracts visitors interested in witnessing the foundation of the nation's geographical measurements. Surrounded by the vibrant atmosphere of Tokyo, the area provides a peaceful escape from the city's hustle and bustle.