Question 1

Where is The Fountain of Heaven?

Accepted Answer

The Fountain of Heaven is in Sakaide, Kagawa, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Yuki Yuna is a Hero does The Fountain of Heaven appear in?

Accepted Answer

The Fountain of Heaven appears in EP9 of Yuki Yuna is a Hero.

Question 3

Can I visit The Fountain of Heaven?

Accepted Answer

Yes. The Fountain of Heaven is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Yuki Yuna is a Hero 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 Fountain of Heaven is one of those real places (EP9).