I think it is 32 or 36
36
Monfero should evolve into infernape around level 32.
Monferno evolves at Level 36, into Infernape.
1. Trade 2. Choose Chimchar as a starter and evolve it at level 14.
Monferno evolves into an Infernape at level 36.
At level 36.
Raise it's level to 36
Inferno will evolve in Infernape starting in level 16. Infernape will evolve in Monferno starting in level 36.
36
Level 36 into Infernape.
level 16 to evolve into Monferno and level 36 for a Infernape
Chimchar evolves at Level 14 to Monferno. Monferno evolves at Level 36 to Infernape