Run It Bayou

Run It Bayou  (ろじうらサーフィン lit. Alley Surfing in Japanese) is the third and final level of Mosquito Marsh and the sixteenth main level of Crash Bandicoot 4: It's About Time. The yellow gem can be also found in this level. In the beginning of the level, player needs to jump via the floating crates to a moving platform and then jump of the four crates on the left to reach the gem. The third Quantum Mask Kupuna-Wa is found after completing this level.

Overview
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Hidden Boxes

 * 6 against the steps behind the level spawn point