In the safari zone wetlands
You can find a Bagon in the Safari Zone. From there, evolve it into Shelgon and then Salamence.
You can catch both Bagon and Shelgon in the safari zone. Both take a lot of previous time in the the safari zone. Bagon evolves into Shelgon at level 30 and Shelgon evolves into Salamance at level 50.
In the Safari Zone after obtaining the National Dex. Or you could trade it from Pearl/Diamond/Platinum.
Try the Safari Zone in Heart Gold and Soul Silver. Other than those versions you havec to trade or evolve a Bagon.
The Safari Zone
In the Safari Zone.
you have to get it in the safari zone
in the safari zone
safari zone
The Safari Zone.
Safari Zone
No.