Disney California Adventure has its moments but is an overall weaker park, especially now that Disneyland has Star Wars Galaxy's Edge. Pros and Cons of Disneyland vs. Disney’s California Adventure. Disneyland is built on 85 acres of land and Disney California Adventure has a 72-acre lot. We have 8 of them listed below! First off, Disneyland was conceptualized by Walt Disney, but Disney California Adventure was not. So what are the main differences between Disneyland and Disney's California Adventure? Much younger than Disneyland itself, this part of the resort was founded back in 2001. Both parks have a long list of pros and the cons aren’t actually negatives. Disney’s California Adventure Pros. It has so much more to do and is also home to all of the classic Disney attractions. What is the difference between Disneyland and Disney California Adventure? What this means is that there aren’t any disadvantages to visiting Disneyland per se, because by combining the two parks, you are sure to get the full experience! They’re meant to point out what one park has that the other doesn’t so that you can make decisions based on your interests. Hrm, despite having been to both sides of the park more times than I should admit, that's a really hard question to answer and is really going to depend on you! Size While the entire area including hotels and Downtown Disney sits on 500 acres total, Disneyland sits on only 85 acres, whereas Disney's California Adventure is at an even 72 acres. If you're only looking for one park, Disneyland 100%. Disneyland vs Disney California Adventure.