Hi there, Amanda!
Welcome to planDisney and thanks for bringing your question to us. Oh boy, you managed to get tickets to
Oogie Boogie Bash! Congratulations! I know several people who persevered through the online queue but were still unable to obtain tickets, so I commend you. That party just keeps getting more and more popular every year.
I'm glad to hear that you are planning your big day in advance and that you have some dining reservations at
Disney's Grand Californian Hotel & Spa already booked! Whether it be the
Storytellers Cafe or the
GCH Craftsman Bar, you're sure to have a wonderful dining experience within the California inspired artwork and theming.
As you pointed out, there is a special entrance from the Hotel into
Disney California Adventure which puts you in the Grizzly Peak region. I recently spoke to a Disney Security Cast Member about this entrance and he stated that anyone is welcome to use this entrance as long as they have a valid Park reservation and ticket, so this entrance is not exclusive to Hotel guests. Since you have tickets to Oogie Boogie Bash, you'll be able to enter the Park as early as 3 p.m. without a theme park reservation! Just be sure to check in to the party once you enter the Park so you can get your lanyard and wristbands before 6 p.m.
Amanda, I have read in the past that they were not allowing non-guests to use the Hotel entrance into Disney California Adventure, so I want to warn you to be prepared for that possibility. But I have been able to use this entrance many times in the past two years, so perhaps that was an old policy.
Are you ready for Oogie Boogie Bash? I've attended this party twice before and each time I've had a fantastic time and walked away with a ton of candy! This party has a rich backstory and I recently did a
deep dive on Oogie Boogie Bash which might enhance your understanding and enjoyment of the event. I can't wait to hear if they'll add any new villains to the mix this year! Follow the
Disney Parks Blog if you want to stay up to date on new announcements!
I hope that this response has been helpful for you, Amanda, and that you're having a great time planning your visit! If you need anything else from us at planDisney, please reach out again anytime! You're always welcome here!
Wishing You a Great, Big, Beautiful Tomorrow!
-Al