You catch Snubbull in Route 37 and 38
At level 23
Snubbull is a rare Pokemon that can only be found in the Safari Zone extension in Pokemon Emerald.
Only emerald can catch snubbull in the safari zone.
Snubbull is a Normal type pokemon.
In order to get Snubbull in Pokemon Fire Red you must do a trade for him. In Pokemon Platinum and Pokemon Diamond Snubbull can be found on Route 209.
level up snubull to level 23
You'll need to trade from Pokemon Emerald.
trade granbull (its evouloution) from colloseum, then breed
The only way to get Snubbull on Pokemon LeafGreen is by trading for one from Pokemon Emerald. Snubbull can be found in the Safari Zone extension of Pokemon Emerald which is unlocked by earning the National Pokedex.
You can catch snubbull at lv.16. You just find Dawn's little sister in her house in Sandgem town and she will tell which Pokemon is swarming. If it is Snubbull then go to the route near Solaceon and Hearthome and find one. And if you can't catch one then you are hopeless.
you have a 1% chance of finding a snubbull on the route to the left of Ecruteak City.