go and be a noob and you will eventually find out
level 50
In Pokémon LeafGreen, the wild Suicune will be found at Level 50.
Level 31.
Level 38.
You find him at level 70.
level 26
at level 40
level 28
at level 36
Level 36.
Level 32.
Geodude level 12 Onix level 14