To trade Pokemon with gym leaders, you must find them around the cities. Some will be standing in random cities at random times looking for trades. Lt. Surge, for instance, awaits at the magnet train in Saffron City.
Hoenn and Sinnoh Gym Leaders are not in HG/SS.
You cannot travel to the Hoenn region in Pokemon Heartgold and Soulsilver.
you have to go to every gym in kanto a beat all the gym leaders
Well after you defeat 15 gym leaders in Pokemon HeartGold / SoulSilver go to Cinnabar Island and talk to Blue.
yes but only if you lose against one of the gym leaders
it is up to you you can beat gym leaders and they will be on new maps, go in a room with them in, trade until you get one or adopt one. its your choice
no.
you beat them in a battle
You cannot travel to the Hoenn region in Pokemon Heartgold and Soulsilver.
You have to beat all the Johto gym leaders.
You cannot. You can only do so in Pokemon HeartGold and SoulSilver.
you have to go to every gym in kanto a beat all the gym leaders
Unfortunatly you cant, this feature in heartgold/ soulsilver was epic!
You can go and challenge other Gym Leaders in the Kanto region, such as Brock.
well, there isn't any, just the eight gym leaders
The gym leaders have different Pokemon the elite 4 and Lance.
You can't. Unless you use a cheat code to catch them pokemon.
The Kanto gym leaders are located in most major cities. Be sure to look out for the gym signs. They will usually be located in the middle of the large cities. There are some cities that do not have gym leaders, however.