[Josh Grisdale]

Hello,

Here are the accessibility reports from Accessible Japan if you haven’t seen them yet:
https://www.accessible-japan.com/places/japan/osaka/osaka/attractions/dotonbori-accessibility-information/

https://www.accessible-japan.com/places/japan/osaka/osaka/attractions/osaka-castle/

Is the ferris wheel you are talking about the one in Dotonbori? If so, it is unfortunately not accessible.

In general though, like Tokyo, Osaka has accessible trains and buses etc and is pretty accessible!