After obtaining the national dex, beating the elite four and delivering the ruby and sapphire you can find raikou anywhere around kanto i suggest looking on Route 1 when you do find it use the master ball on it.
to catch Pokemon you have to obtain raikou palls
You cannot catch Raikou in Pokemon Diamond and Pearl. To get Raikou in Pokemon Diamond and Pearl, you must trade for one from Pokemon HeartGold and SoulSilver where it can be caught or transferring from Pokemon FireRed and LeafGreen.
to catch suicune,mewtwo,raikou and entei
There's no specific spot to catch raikou because raikou is a wondering Pokemon it can go from route to route in kanto and this makes it hard to catch but all more worthwhile to catch it.
mewtow zapdos moltres articuno mew entei raikou suicune
well u must go catch entei suicune and raikou.
Entei, Raikou, and Suicune are NOT obtainable in Pokemon Platinum.You will either need to catch them in Firered/Leafgreen and migrate them or trade with someone else that has them.
no.
You cannot catch the legendary dogs in Diamond or Pearl, you must migrate from Pokemon LeafGreen, FireRed, Colosseum, or XD.
Raikou is only found in firered and leafgreen if you chose squirtle as your starter Pokemon. Or you can get the purified raikou from Pokemon colosseum.
Trade from FireRed or LeafGreen.
raikou cannot be caught on Pokemon ruby