Question 1

Where is Okihakusansha?

Accepted Answer

Okihakusansha is in Takaoka, Toyama, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of YuruYuri San☆Hai! does Okihakusansha appear in?

Accepted Answer

Okihakusansha appears in OP of YuruYuri San☆Hai!.

Question 3

Can I visit Okihakusansha?

Accepted Answer

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

Question 4

Where was YuruYuri San☆Hai! filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Okihakusansha is one of those real places (OP).