With a Disney Park Hopper ticket, you are technically limited only by the number of theme parks at the resort you are visiting. At Walt Disney World in Florida, there are four theme parks (Magic Kingdom, EPCOT, Hollywood Studios, and Animal Kingdom), and you can visit all four in a single day if you have the stamina. At Disneyland Resort in California, there are two parks (Disneyland Park and Disney California Adventure), and you can hop between both. As of 2026, the strict "after 2:00 PM" hopping rule has been relaxed in many instances, allowing for more flexibility. However, you must still make a Theme Park Reservation for your first park of the day (if required by your ticket type) and actually enter that first park before you can proceed to others. While visiting four parks in one day is a popular "challenge" for enthusiasts, it requires significant travel time using Disney’s transportation systems like the Monorail, Skyliner, or buses, which can eat into your actual ride time.