Assuming you take MTR to go to Campfire Wong Chuk Hang, here is how you can get to the venue.
When you reach Wong Chuk Hang MTR Station, look for Exit A.
The signage tells you to go to Exit B. Do NOT trust it. Go to Exit A.
Leave the paid area.
Go outside.
Turn left, take the escalator, and go straight.
Enter Remax Centre.
Take one of the two elevators on the left.
Press button 8.
And you reach our venue!