14. 8 in the Jhoto region & 8 in the Kanto region
No, you don't. You cannot face the Sinnoh Gym Leaders in HeartGold.
Beat the rest of the gym leaders first.
You cannot travel to the Hoenn region in Pokemon Heartgold and Soulsilver.
different places
You have to beat all of the gym leaders in Johto then look at the map.
You defeat them by training against wild Pokemon.
No, but you can challenge kanto gyms
Primarily beat the gym leaders and beat the elite four
beat all the gym leaders. Hope this helps!
His name is Blue Posted By Tom587
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