Chikyu no Maruku Mieru Oka (Hill with a Rounded Outlook of the Earth) Oceanview Observatory

From this observation space, see that the Earth is actually round

This is an observatory situated on top of Atagoyama Hill, the highest peak in northeastern Chiba Prefecture. From its rooftop space, you can see the horizon arc in front of you so that you can actually feel that the Earth is curved.
Business Hours
Saturday ( 12:0 AM ~ 12:0 AM )
Sunday ( 12:0 AM ~ 12:0 AM )
Weekdays ( 12:0 AM ~ 12:0 AM )

April-September:AM9:00~PM6:30 October-March:AM9:00~PM5:30
Adult: 380 JPY
Children: 200 JPY

The children’s price applies to elementary and junior high school students
地球の丸く見える丘展望館, 1421-1 Tennodai Choshi-shi,Chiba
(0479) 25-0930

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