Question 1

Where is Haruna Prefectural Park?

Accepted Answer

Haruna Prefectural Park is in Takasaki, Gunma Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Initial D Legend 3 Mugen does Haruna Prefectural Park appear in?

Accepted Answer

Haruna Prefectural Park is a real place that appears in Initial D Legend 3 Mugen.

Question 3

Can I visit Haruna Prefectural Park?

Accepted Answer

Yes. Haruna Prefectural Park is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Initial D Legend 3 Mugen filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Haruna Prefectural Park is one of those real places.