Talk:Guide/@comment-94.175.87.149-20130630212554/@comment-74.235.46.66-20130712093447

After you beat the Karate Boss, you have to go Celadon City and beat Erika's gym. It's located at the bottom where you can only gain access to the route to the gym by cutting down a tree. After, defeat Erika then head to Lavender Town for the underground tunnel.