OGCA Show November 22-23, 2025 – New Venue, 90,000 sq. ft.
Black Powder Collector Invitational!
Closed to the public
Meetings are open to members and invited guests.
Meetings are closed to the public.
Meeting Hours:
Saturday 8:30 AM – 5 PM
Sunday 8:30 AM – 2 PM.
Set-up for table holders
Friday 3 PM – 9 PM
Saturday 7 AM – 8:30 AM
Sunday 7:30 AM – 8:30 AM
On-site Headquarters Hotel
Warehouse Hotel
600 North B St.
Hamilton, OH 45013
$129+tax per night. The fastest way to access the rate is to visit their website (www.warehousehotel.com/Hamilton ) – and type 1757 into the Promo Code.
Or, 513-273-8300 and mention OGCA for the discounted rate.
Free Parking. Cancel at least 72 hours in advance at no penalty.
As needed, inform hotel at or before check-in to check-out prior to reserved check-out date.
Located inside the re-imagined former Champion Paper Company.
Hourly Schedule
Friday
- 3:00 PM - 9:00 PM
- Setup for Table Holders
Saturday
- 7:00 AM - 8:30 AM
- Setup for Table Holders
- 8:30 AM - 5:00 PM
- OGCA Meeting
Sunday
- 7:00 AM - 8:30 AM
- Setup for Table Holders
- 8:30 AM - 2:00 PM
- OGCA Meeting
