The Forest Coliseum is in the area of the Depths beneath the Korok Forest on the surface.

Coliseum Location

The Forest Coliseum is located northwest of Ramobnukas Lightroot, at -0121, 2449, -0621, in the part of the Depths beneath the Korok Forest area.

Coliseum Combatants

Pick up the Mighty Bananas in the middle of the Coliseum and you will battle a Black Hinox.

Coliseum Reward

The reward for defeating the Black Hinox of the Forest Coliseum is the Korok Mask.