Cannon City is a frontier town near Miradero. The town comprises a number of buildings clustered around a main street, as well as additional homes and buildings on mountainsides surrounding the town. A sign reading "Welcome to Cannon City" sits at the right of the entrance to the town's main street, and a cannon sits to the left of the side. The train tracks into town enter a mountain tunnel at the left of the town.
Cannon City was the site of a circus that Pru's father took her to for her fifth birthday, ending in an embarrassing incident that soured Pru to circuses until she finally joined one for a summer as a teenager.
Turo told the PALs that Maricela's parents were taking them to hear the symphony in Cannon City on Halloween, but Turo and Maricela actually had a plan to scare the PALs in Miner's Grove that evening.