Big Rock Fright Nights
Friday, 10/17/2025 to Saturday, 10/25/2025
25-51 N Whitetail Rd, Boulder, MT
Phone: 406-225-4015
Come out to the Jefferson County Fairgrounds/Recreation Park in Boulder for Halloween fun at the Big Rock Fright Nights!
Oct 17th, 18th, 24th and 25th 2025 6 pm - 9 pm Admission is $5.
Kids can enjoy arts and crafts, pumpkin painting, games, treats and spooky happenings. There will be hot drinks and sweet treats from the Sweet Spot. The Montana Highway Patrol will be hosting a Trunk or Treat at the Fairgrounds. Fun for the entire family!
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