Question 1

Where is Zenriyuji?

Accepted Answer

Zenriyuji is in Nagano, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Waiting in the Summer does Zenriyuji appear in?

Accepted Answer

Zenriyuji appears in EP12 of Waiting in the Summer.

Question 3

Can I visit Zenriyuji?

Accepted Answer

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

Question 4

Where was Waiting in the Summer filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Zenriyuji is one of those real places (EP12).