Nihon Suijun Genten Hyoko (The Origin Point for the Vertical Datum of Japan)

Very Significant Marker

Although it appears little nondescript or even neglected, this little building is very significant. It is the origin of Japanese benchmarking. All distances are measured from this central point. It's ...

in a building like a roman temple.

Original Text

We will disseminate information about the "Japan level origin" in Nagata-cho, Chiyoda-ku. We visited the "Japan level origin" on March 3, 2023. To access the "Japan level origin", exit from Exit 1 of "Sakuradamon Station" on the Tokyo Metro Yurakucho Line and there is a pedestrian crossing in front of you. If you cross the pedestrian crossing and go to the right along the road, you will find a pedestrian crossing, so cross two pedestrian crossings and cross the other side of the road. If you go on the left hand, there is an entrance to the "Diet Maeba Kita Garden", so from there, "Diet ...

Heavy な Metering and measuring construction

Original Text

This is next to the electronic reference point "Tokyo Chiyoda" in the northern district of the Diet Maebaya in front of the Capitol building. It feels like a heavy stone warehouse, and it is said that it was designated as a national important cultural property for the first time as a building in the surveying field.

in the front yard of the congress.

Original Text

It is a building in the front yard of the Diet in front of the Capitol. It was a small stone building and had a history-like atmosphere. The origin of the Japanese level, which is the standard of Japanese altitude, is stored in this building and is usually private.

it's the reference point of the altitude of japan.

Original Text

It is a building built to protect it when the Japanese altitude standards set in 1897 were set. It is one of the modern Western-style buildings in the Meiji era, but it seemed that I would pass by without explanation.