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  • BOOnion Station 2026

Celebrate BOOnion Station

Welcome Halloween weekend with the 12th annual BOOnion Station at downtown’s iconic Denver Union Station on Thursday, October 29.

Join us for a festive, family-friendly Halloween celebration throughout Denver Union Station, featuring activities and entertainment for guests of all ages.

 

Thursday, October 29 | 4–7 PM | Costume Contest 5–6PM
Denver Union Station
Free & family-friendly

In Partnership with Renewal by Anderson

 

What to Expect

Rocky Mountain Mini Train on the North Plaza

Costume contest with three grand prizes:

Most Creative
Funniest
Best Family/Group

Trick-or-treating at businesses throughout Denver Union Station

DJ Chris

Face painting

Plenty of Halloween fun for the whole family