it depends.talk to dawns sister
the elite 4 should be on route 22 where the indigo plateau is
Its not on a route, after you beat the elite four, she is anywhere throughout the Hoenn region
Here is an easy way, if you watch tv every day in the game sometimes Pokemon news is on and sometimes they will mention rare outbreaks of seedot or surskit or skitty in a certain route, well go to that route and go into the grass and look at that your finding surskits and seedots and skitties everywhere.
beat the elite four then follow route 230 and route 225
Actually, you get the lucky egg from Prof. Juniper when you enter the chargestone cave.
First of all, this route is in Kanto. If you did not beat the Elite Four yet, do it! Route 8 is the Route connecting Saffron City to Lavender Town.
you need to have a pokeradar on route 210 which you get when you beat the elite 4
Regice: Route 105 Regirock: Route 111 Registeel: Route 120 You must defeat the Elite Four first.
after you beat the elite four, it will be on route 25.
route 7 after beating the elite 4
If you want to get a swinub,you need the national dex and defeated the elite four then fly to Sandgem town talk to Lucas about his sister. After that,go to his house and talk to her sister(near the TV).She'll say something like nosepass on route 206 or maybe if you're lucky might say there are swinubs swarming around a route.
you have to beat the elite 4