By bus
From Ouagou: TSR is a bus line that reliable and goes everyday. It leaves the Wemtenga bus station at 7AM and from the other TSR gare at 7:30AM.Also buses at 1:30PM and 3:00PM. Cost is 6.500 CFA.
STMB, whose station is on the Bobo road west of central Ouaga, also has daily buses to Gaoua leaving at 8:30
The trip to Gaoua can be between 6 and 8 hours. It is recommended that you go early unless you have a plan for when you arrive in G'town.
There is also a Transmif bus that goes there.
From Banfora: Take the Rakieta at 2PM. It is a five hour trip and is DUSTY. The cost is approximately 4.000 CFA. You can also take bus taxi.
From Bobo: Take TSR. One leaves early morning and the other in the afternoon. Sogebaf also has a car.
None of these options have A/C