the place where you can breed Pokemon next to heart-home city, that's where i go
elite 4
route 205 for Pokemon diamond, pearl and platinum. the trainers have Pokemon from level 10 to level 17
Route 201 or 202 or 203
Anywhere that u find Pokemon that are close to the shromishes level.
i trained mine at mt.cornet
iron island or upper level mt coronet
Stark mountain battle about 7 Pokemon then it will be level 73.
just train them
You can not find them you can only train them to 50.
elite 4
train it to level 40 to get bastiodon.
train a likitung to level 33 and have it learn the move it does at level 33