List of GBA Bowser's Castle 4 tour appearances in Mario Kart Tour

This page details the tour appearances of GBA Bowser's Castle 4 in Mario Kart Tour.

Bowser Tour (2023)
In the 2023 Bowser Tour, Bowser's Castle 4 was one of the two signature courses of the tour, the other being SNES Bowser Castle 3. It appeared as the third course in the Bowser Cup, the first course in the Dry Bones Cup, and the location of the bonus challenge in the Mii Cup. Its R variant appeared as the first course in the Pink Gold Peach Cup and the third course in the Ludwig Cup. It is the first course in the game to not debut with its T variant.