Finally made my own pilgrimage of Makoto Shinkai's Tenki no Ko (Weathering with You) before its released this coming July 19. The locations were pinpointed thanks to @touyouko_com.
anime vs actual location
Koenji Hikawa Shrine (声円時氷川神社)
Tabata Station South Exit (田端駅南口)
Nozomi Slope (のぞき坂)
pilgrimage & exploration