Attention ALL Summer Reading Participants! Celebrate all your hard work this Summer with Free Swim Day at Rose Park. Stop by our booth outside the pool to get a stamp to show your Summer Reading participation and get in the pool free from 3-7pm on Thursday August 8th. Admission is free, to use the waterslide you must pay a fee or show your waterslide punch card. A special thanks to Billings Parks and Recreation for sponsoring our Swim Day!