Lancaster in September

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Plan your trip to Lancaster Stormers vs. York Revolution with our AI-powered travel planner. Get personalized itineraries and recommendations for your visit to Lancaster. Book tickets through our platform.

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Plan your trip to Lancaster Stormers vs. York Revolution with our AI-powered travel planner. Get personalized itineraries and recommendations for your visit to Lancaster. Book tickets through our platform.

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Plan your trip to Lancaster Stormers vs. York Revolution with our AI-powered travel planner. Get personalized itineraries and recommendations for your visit to Lancaster. Book tickets through our platform.

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Join the American Coaster Enthusiasts of Eastern Pennsylvania for our fourth annual Mayhem at Wonderland event on Sunday, September 7, 2025! Enjoy Dutch Wonderland with the American Coaster Enthusiasts for a fun filled day of great friends, a lunch feast, Fun Slide race, walking history tour and ERT on Kingdom Coaster and Merlin's Mayhem! This event is only for ACE members and their guests! Event registration is required to participate in all of the activities organized and hosted by the American Coaster Enthusiasts and Dutch Wonderland. ONE SWEET WEEKEND! Spend the weekend with the ACE Eastern Pennsylvania region! CocoaCon at Hersheypark will take place the day before Mayhem at Wonderland on Saturday, September 6, 2025. Enjoy all that the park has to offer plus evening ERT on Storm Runner and Jolly Rancher Remix, a delicious meal, Sweet Start, ITOTs and more! REGISTRATION INCLUDES Admission to Dutch Wonderland A catered lunch 1-hour of morning ERT on Kingdom Coaster and Merlin's Mayhem Fun Slide race Walking history tour TENTATIVE SCHEDULE 8:30-9 AM - Event Check-In at park entrance 9-10 AM - ERT on Kingdom Coaster and Merlin's Mayhem 9:30-10 AM - 10 additional rides will open as part of season passholder early entry. Attendees are welcome to enjoy those rides as well! 10 AM-6 PM - Dutch Wonderland open to the public TBD - Fun Slide race TBD - Catered lunch TBD - Walking history tour * Finalized event details will be emailed to all registered attendees the week of the event.  PRICING  ACE Member with Season Pass - $28.00 ACE Member - No Season Pass - $63.00 Guest with Season Pass - $38.00 Guest - No Season Pass - $73.00 PARKING Parking is included in your event admission if you arrive before morning ERT starts. REGISTRATION DEADLINE  Tuesday, August 19, 2025 at 11:59 PM Eastern Time  FUN SLIDE RACE No pre-registration will be required. Simply be present at the Fun Slide which is located across from Merlin's Mayhem's entrance. Attendees will complete in groups with the winners of each group competing in the final round to crown the Fun Slide champion! LUNCH MENU - FEAST LIKE A KID! All-You-Care-to-Eat - Mac ‘n cheese bar with crumbled sausage, bacon and brisket, corn dog nuggets, soft pretzel bites, applesauce cups, carrot sticks, root beer floats with vanilla ice cream and Pepsi fountain drinks. Special Request Menu - Vegetarian and Gluten Free - You must select menu type when registering for the event. Vegetarian - Garden salad with dressing options PLUS standard buffet menu. Gluten Free - Chicken Tenders with tator tots PLUS standard buffet menu. REGISTRATION DIRECTIONS You must be a member of ACE to attend or be accompanied by a member who is also registered to attend the event. If only non-members are listed on the registration, please indicate the name of the registered member of whom you are a guest. Online registration is available until Tuesday, August 19, 2025 at 11:59 PM Eastern Time. No mail in registration will be available for this event. SEASON PASS DISCOUNT: Please note that if you register as a season pass holder, you are responsible for bringing your valid season pass with you to the event and using it to be admitted into the park, as admission tickets will not be provided. No materials will be sent to you in advance. All materials (admission ticket, meal voucher, etc.) will be provided to you at the event. If you provide an email address, an email with information about attending the event, will be sent to you shortly before the event. If you have registered in advance and arrive after the scheduled check-in time, your registration materials will be left at the Guest Services. NOTE: The Guest Services location and/or park may not open until the park opens to the public, and therefore arriving late may cause you to miss ERT. Cancellation Policy: To cancel, contact Mike Matscherz at: mmatscherz@aceonline.org. No refunds will be issued after Tuesday, August 19, 2025. Processing fees for online registration are non-refundable. NOTE: Universe, ACE Eastern Pennsylvania's third-party event registration provider, offers an "Event Protection" insurance option during the registration process. This feature is NOT endorsed or recommended by ACE Eastern Pennsylvania. SCHEDULE ADVISORY  Inclement weather, equipment problems or other unforeseen circumstances may affect the published schedule. The park will do its best to provide ride times and rides as listed; however, the schedule of events remains tentative and is subject to change based on the park's operational status and local health restrictions at the time of the event.  ACCESSIBILITY  Should you need special accommodations such as a wheelchair, speech/hearing, etc., refer to the participating parks policy prior to the event date. Most parks offer a complete guide for guests with a disability.  REFUNDS AND REGISTRATION FEES  Refunds will not be given. Registration fees will not be prorated for partial attendance and tickets are nontransferable. Event attendee substitutions are at ACE’s discretion. Permission must be obtained prior to the event, in writing, from the event contact. The payment of registration fees by, for, or on behalf of participants releases and holds harmless the American Coaster Enthusiasts Worldwide Inc. and its Officers, Directors, Executive Committee Members and representatives from any and all liabilities related to those activities. Returned checks and chargeback disputes will be treated as uncollected debt. ACE reserves the right to execute debt collection following the Fair Debt Collection Practices Act.  COVID-19 SAFETY INFORMATION  Although our host parks are making every effort to keep you as healthy and safe as possible, there remains an inherent and elevated risk of exposure to COVID-19 in any public place and place where people are present. Refer to park policies for additional information, requirements and latest updates.  CODE OF CONDUCT  Members and their guests should be especially aware that their behavior affects ACE’s reputation, and they are expected to abide by ACE’s Code of Conduct at all times during the event and follow all host park policies, including, but not limited to, alcohol consumption. Members are responsible for the conduct of their nonmember guests. Parents and/or guardians are responsible for supervising minor event attendees. Members found to be in violation of the code are subject to ACE's disciplinary procedures, which may be in the form of, but not limited to, verbal or written warning, membership suspension or involuntary termination. Any violations of park policies, including underage alcohol consumption are a violation of section C.1 of ACE’s Code of Conduct and could result in suspension of the member’s ACE membership as well as action by the park.  NAME BADGES  You must be registered and your official event name badge must be visible to participate in scheduled event activities. 

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Plan your trip to Mayhem at Wonderland 2025 with our AI-powered travel planner. Get personalized itineraries and recommendations for your visit to Lancaster. Book tickets through our platform.

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Plan your trip to The Nelsons with our AI-powered travel planner. Get personalized itineraries and recommendations for your visit to Lancaster. Book tickets through our platform.

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Plan your trip to Lancaster Stormers vs. Lexington Legends with our AI-powered travel planner. Get personalized itineraries and recommendations for your visit to Lancaster. Book tickets through our platform.

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