Boo Fest 2026 at Wonder World Cave & Adventure Park
October 31 @ 4:00 pm - 7:00 pm
Celebrate Halloween with the whole family at Boo Fest 2026 on Saturday, October 31, beginning at 4 pm. Hosted at Wonder World Cave & Adventure Park in San Marcos, this free community event features trunk-or-treating, live music, dancing, carnival games, food trucks, and plenty of Halloween-themed fun for all ages.
Families can enjoy an afternoon of festive activities, sweet treats, and entertainment in a lively seasonal atmosphere. With free admission, Boo Fest offers an accessible way for children and adults alike to enjoy Halloween together.
Wonder World Cave & Adventure Park is located at 1000 Prospect Street in San Marcos, Texas. Admission is free.