Dino Domain is the first area featured in Diddy Kong Racing as well as its remake: Diddy Kong Racing DS. The entrance to this area is found between the two waterfalls in the center of Timber's Island. The player is required to have one Golden Balloon to enter this area. Dino Domain is a dinosaur-themed world and the boss is Tricky the Triceratops.
 Race Tracks
 As a Race Track
Dino Domain is also a race track found in the same world. This track is where Tricky the Triceratops is fought. The player will need to reach the top of the mountain in order to defeat Tricky.