Lakeside Amusement Park is scheduled to open for the 2025 summer season on Saturday, May 10, 2025.  Lakeside will be open weekends (Friday nights from 7 pm and Saturdays and Sundays from 2 pm) through June 4, 2025.  
The schedule will then be weekday evenings from 7 pm (except Closed on Tuesdays) and Saturdays and Sundays from 2 pm, until August 17, 2025.  Lakeside will then revert to being open weekends (Friday nights from 7 pm and Saturdays and Sundays from 2 pm) at least through Septebmer 14, 2025.  

Calendar to be published soon. 

Lakeside is also scheduled to be open from 2 pm on Memorial Day, the 4th of July, and Labor Day. 

Lakeside will be open at noon for Summer Camps and Daycares on July 18, 2025

Operating rides will vary based upon staffing and other operational factors.
  Ride operators in Kiddies' Playland rotate between rides.  
 The Cyclone and some other rides are not part of the current 2025 operating plan.  

Lakeside Amusement Park does not have a set closing time.  However Kiddies' Playland rides (mainly for preschool age) generally close by or before  10 PM and the rest of the park often is open until about 11 PM (11:30 PM on Friday & Saturday nights).   
The admission gates generally close about 1 hour prior to the rest of the park closing.  

          Please call Lakeside at 303-477-1621 to verify operating hours and devices. 

                   Some attractions may be open for part of an operating period.