It is by the secret hideout where you get HM02. HM02 is Fly.
In Pokemon HeartGold (And Pokemon SoulSilver) The bike road is on Route 17 in the Kanto region.
get the Poke Flute !
you have too be under the bridge on the bike route with Pokemon emerald in your ds.
Flash can be found on Route 2 in Pokemon Yellow Version.
In Route 3,4, and 23.
The Yellow Forest route on the Pokewalker? Pikachu. Only Pikachu.
It's on the left, it goes from north to south fast, but you can go slowly up the slope. I remember that the Trainers use Poison-Type Pokemon. Hope this helps!
Go to the Pokemon fan club in vermillion city and talk to everyone. One of the people give you a bike voucher. Go to cerulean city into the bike shop to get a bike with the bike voucher.
You cannot catch charmander in Pokemon yellow, you receive one from trainer Damian on route 24.
fearow in route 9,raticate in route 11,venomoth in route 14 and 15,dodrio in route 17 pidgeotto in route 24 and 25
Walk, fly, or ride a bike.
From Trainer Damien on Route 24.