North latitude：33°34′36″、East longtitude：135°56′12″、Elevation：63m

Location：Nachi-Katsura Town, Higashimuro-gun, Wakayama Prefecture

Welcome to Shimosato Hydrographic Observatory HP!

At the Shimosato Hydrographic Observatory, we conduct observations using a laser beam to obtain geodetic data for compiling nautical charts.

Notice

• 2021.2.26　We added photos to Gallery.
• 2020.10.18　We added photos to Gallery.
• 2020.8.25　We apologize for the cancellation of the exhibition of the "Hydrographic memorial day".
• 2020.8.25　We added photos to Gallery.
• 2020.7.1　We apologize for the cancellation of the exhibition of the "Ocean month".

　　　　　　　　　　　　　　　　　　　　　　Shimosato Hydrographic Observatory
　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　5th Regional Coast Guard Headquarters, Japan Coast Guard