Question 1

Where is the Yaseone Pass?

Accepted Answer

the Yaseone Pass is in Shibukawa, 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 the Yaseone Pass appear in?

Accepted Answer

the Yaseone Pass is a real place that appears in Initial D Legend 3 Mugen.

Question 3

Can I visit the Yaseone Pass?

Accepted Answer

Yes. the Yaseone Pass 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 the Yaseone Pass is one of those real places.