A spooky, eerie scene unfolds in front of a large, imposing building under a full moon. The building, possibly an old asylum or school, is made of stone and features a central tower with a clock. Bare, gnarled trees frame the scene, their branches reaching out like skeletal fingers. In the foreground, a menacing jack-o'-lantern glows with an internal light, and a lone figure in a hat stands facing the building, adding to the mysterious and unsettling atmosphere. The overall mood is one of Halloween dread and suspense.
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Artistic rendering – Event may differ

Paranormal Investigation at Old Idaho Penitentiary

Nighttime paranormal investigation at historic prison

About

Step back in time and into the unknown at the Old Idaho Penitentiary for a unique paranormal investigation. Join Big River Paranormal as they use their specialized equipment and expertise to attempt communication with the spirits of those who once resided within its walls. This is an opportunity to explore a historic site with a chilling reputation after dark.

Our Take

Scare Factor

👻 👻 👻 👻 (4/5)

Family Friendly

👶 👶 (2/5)

Best For

History buffs and paranormal enthusiasts

Vibe

Spooky, historical, investigative

Energy Level

High

Budget

FREE

Photo Friendly

Limited (check event rules)

Weather Sensitivity

Low (indoor/outdoor)

Special Events & Promotions

  • Free for Idaho State Historical Society members

Tags

paranormal investigationghost tourhaunted attractioncommunity eventhistoryother

Always check the official website for the most current information.

We've done our best to keep details up-to-date, but event schedules, prices, and policies can change. For the latest updates, please visit the official website or contact the organizers directly.

Location

2445 Old Penitentiary Rd.
Boise, ID
83712

Event Details

Pricing

Free to Idaho State Historical Society members

Duration

4 hours 45 minutes

Ages

Not Specified

Neighborhood

Boise

Timed Entry

Yes

Featured Performers

  • Big River Paranormal

Organizer

Idaho State Historical Society

Practical Information

Pet Policy

No pets allowed

Quick Actions

Tips & Advice

  • Dress in comfortable layers, as the old prison can be cool even in October, and wear sturdy, closed-toe shoes for navigating uneven surfaces.
  • Bring your own recording equipment if you wish to document your experience, but be prepared to follow the paranormal investigation team's lead.
  • Arrive promptly for the 9:15 PM start time to ensure you don't miss any introductory information or the beginning of the investigation.
  • Consider researching the history of the Old Idaho Penitentiary beforehand to enhance your understanding of the potential spirits you might encounter.
  • Be respectful of the historic site and the paranormal investigation process; silence and focus are key to potentially capturing evidence.

Frequently Asked Questions

What is included in the paranormal investigation?

The event includes participation in a paranormal investigation led by Big River Paranormal, utilizing their specialized equipment to attempt communication with spirits within the Old Idaho Penitentiary.

Is this event suitable for all ages?

The age appropriateness for this event has not been specified. Visitors should consider the potentially spooky nature of a prison investigation when deciding if it is suitable for younger attendees.

What is the cost of the event?

The event is free for Idaho State Historical Society members. Non-members may need to check for separate admission fees or membership requirements.

What should I bring to the investigation?

It is recommended to wear comfortable clothing and shoes. Visitors may also wish to bring their own recording devices, though this is not required.

What are the hours for the paranormal investigation?

The investigation typically runs from 9:15 PM to 2:00 AM.

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Contributors & Updates

Last Updated: Nov 11, 2025
Original Submitter: Sep 17, 2025 The Halloween Events Near Me editorial team

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