28octAll Day30Halloween Spooktacular Weekend 5It's Halloween at Jellystone Park! Activities will include loads of fun and plenty of scares! Join us for arts, crafts, and activities, pumpkin carving, costume contests, and a campsite/cabin decorating contest! Our campers are known for competitive decorating, outdoor cooking, and having a good time. Don't forget candy for the trick or treaters! (approx. 450-500 kids)!