The Yuma Territorial Prison started when seven inmates were sent to the prison in July 1876. They were housed in cells they built thenselves. In the 33 years the prison operated 3069 prisoners, including 29 women, lived within the walls of the prison. The park is open from 8 AM to 5 PM daily except it closes at 2PM on Thanksgiving Day and Christmas Eve. It is closed on Christmas Day. Entrance is $4 for 14 and up and free for 13 and below. Facilities include a visitor's center, a museum, a gift shop, a video room, picnic area and restrooms. They have a number of special events listed on the website.
Your first stop at the park should be the visitor's center where you can get informational brochures, but souvenirs, and pay the entrance fee.
There is a museum on the grounds that discusses the construction of the jail, the inmates, the jailers, the townspeople and the Native Americans in the area.