The Sky Pillar is not in any city in Pokemon Ruby, Sapphire and Emerald. It is found in Route 131 a little east from Pacifidlog Town.
the route that sky pillar is on is 111 above the town Mavville city. the sky pillar is in the desert hope this helps
in sootopolis city
its in eterna city
sky pillar near pacifilodge city. use surf and go to sky pillar. he is at the top you penises.
Raquaza is not in a city/town but at the top of Sky Pillar.
After you defeat Team Aqua and Team Magma's bosses, Wallace will take you to the Sky Pillar to awaken Rayquaza. Going through the incident in Sootopolis City, you can afterward return to the Sky Pillar to catch Rayquaza. This time, Sky Pillar will be more difficult to travel through, and Rayquaza is Lv. 70.
At the very top of Sky Pillar.
Go west from Route 129. You'll meet some trainers, continue on to Route 130, and find the Sky Pillar in the middle of Route 131. Sky Pillar will only be open to you after you defeat the Elite 4.
You go to Sootopolis City. There you will see Groudon and Kyogre fighting, and Rayquaza goes to stop them. Then he goes back to the Sky Pillar.
You catch Raquaza in the Sky Pillar on the island near Pacifilog City.
First find the sky pillar and get 2 the top and bring your Mach bike to get to the top. The sky pillar is after Pacifidlog town and before the enterance to Sootopolis city. When you get to the top of the sky pillar rayquaza will be at the top but it will fly away when you see it. But when the two legendary from ruby and sapphire stop fighting go back to the sky pillar and catch rayquaza.
sky pillar on the sky pillar on rt 114