you go across route 44
In Blackthorn City.
It's in the ice path that leads to Blackthorn City.
find the ice path and follow it
her name is clair. she is a dragon trainer. she is in Blackthorn city
it is behind the Pokemon gym in Blackthorn City. It is at the back part of the lake behind the gym
After you beat the 8th and final gym leader in blackthorn city professor Elm will call you saying to stop by his lab. professor elm will then give you a master ball.
Claire is the Blackthorn City gym leader who uses Dragon-type Pokemon.
he goes to train his Pokemon in the Dragon cave behind the gym in Blackthorn. Find him there and he will join you in a double battle against Gym leader Claire and Champion Lance. After this battle you will be able to register Claire's phone number if you have won.
South of Blackthorn.
The tower
In her Gym
The eighth gym leader is Claire in Blackthorn City