Question 1

Where is Nagashima Gate?

Accepted Answer

Nagashima Gate is in Bunkyō, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Hajime no Ippo Rising does Nagashima Gate appear in?

Accepted Answer

Nagashima Gate appears in EP6 of Hajime no Ippo Rising.

Question 3

Can I visit Nagashima Gate?

Accepted Answer

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

Question 4

Where was Hajime no Ippo Rising filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Nagashima Gate is one of those real places (EP6).