Question 1

Where is Kamejima River Sluice Gate?

Accepted Answer

Kamejima River Sluice Gate is in Chuo, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of March comes in like a lion does Kamejima River Sluice Gate appear in?

Accepted Answer

Kamejima River Sluice Gate appears in EP13 of March comes in like a lion.

Question 3

Can I visit Kamejima River Sluice Gate?

Accepted Answer

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

Question 4

Where was March comes in like a lion filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Kamejima River Sluice Gate is one of those real places (EP13).