If you are coming from the South of Changphuak Rd. (From Changphuak gate).  You will find Mercure Hotel on Your left, keep heading straight north untill you see 7-Eleven on your left, stay in the right lane, turn right at the traffic lights, then first right and first right again. You will find "The Grand Wipanan Residence" on your right. 
*Or if your are not driving, the road to The Grand Wipanan just across the street from 7-Eleven.