For the most authentic open world experience, you can fight Ganon at any point by going to Hyrule Castle. However, there is more to do like trying to find all of the hidden Alters or even just going on a walk. Space to swing sword. Alters hidden so far below. -OalterOrange- -BaulterBeige- -WalterWhite-
Breath of the Wild and the Walter Tribe. This totally wasn't just a way to test scrolling and mini-maps...