Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania, typically opens for its main season in early to mid-April. The 2023 season began on Saturday, April 8, with daily hours of 10:00 AM to 8:00 PM.
Important: Opening dates vary annually. The park usually operates weekends in April–May, daily June–August, then weekends again September–October (Halloween events). The water park (Wildwater Kingdom) opens later (late May) and closes earlier (Labor Day).
Always check the official Dorney Park website for the current year's calendar, hours, and ticket reservations.