Question

Where can find Kecleon S.S.?

Answer 1

in that generation you cannot catch it in a normal way, you got to go to the palpark and transfering it from ruby,saphire,emerald,leaf green or fire red or in the pokewalker on the "treehouse"(5000 steps) at level 30......

Answer 2

i think that you can't find it in s.s h.g but you can find it in other games :Where to find Kecleon

Ruby
Sapphire Route 118, 119, 120, 121, 123
Emerald Route 118, 119, 120, 121, 123
Diamond
Pearl Route 210
Platinum Great Marsh
Black 2
White 2 Nature Sanctuary