Question 1

Where is Takayama Kosei Hospital (Bus)?

Accepted Answer

Takayama Kosei Hospital (Bus) is in Takayama, Gifu Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Hyouka does Takayama Kosei Hospital (Bus) appear in?

Accepted Answer

Takayama Kosei Hospital (Bus) appears in EP4 of Hyouka.

Question 3

Can I visit Takayama Kosei Hospital (Bus)?

Accepted Answer

Yes. Takayama Kosei Hospital (Bus) is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Hyouka filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Takayama Kosei Hospital (Bus) is one of those real places (EP4).