Paranormal Investigation – July 11, 2026

Join Big River Paranormal as they use their unique equipment and knowledge to attempt to connect with prisoners and guards of the past.

Our July 11 Paranormal Investigation is one of the Old Idaho Penitentiary’s annual chances for guests 13 and older to attend an investigation! Attendees under 18 must be accompanied by an adult.

Saturday, July 11, 2026. 9:15 pm – 2:00 am. Arrive at 9:00 pm, Doors open at 9:15 pm. Individual registration is $45 each.