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Tamami Vail and Mike Vail of Lake Forest sit with their kids, Emily Vail, 4, and Owen Vail, 1, on the steps of the historic El Toro Grammer School at Heritage Hill Historical Park in Lake Forest, during the 5th annual Fall-O-Ween event on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Anton Nguyen, Olive Nguyen, 1, Violet Nguyen, 2, and Dorothy Uong, from left, of Garden Grove stand together in their matching astronaut costumes during the 5th annual Fall-O-Ween event at Heritage Hill Historical Park in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park visitors explore the grounds, visiting Halloween-themed photo stations, participating in a scavenger hunt, and going through a straw maze, during the 5th annual Fall-O-Ween event, hosted by OC Parks, in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park visitors take photos in front of the historic St. Georges Mission of the Episcopal Church, founded in 1891, during the 5th annual Fall-O-Ween event, hosted by OC Parks, in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park docents Karen Varone, left, and Tracy Mogan give out stamps to costumed kids as part of the scavenger hunt during the annual Fall-O-Ween event in Lake Forest on Saturday, Oct. 11, 2025, (Photo by Jeff Antenore, Contributing Photographer) -
Skylar Gross, left, 5, of Ladera Ranch and Gwendolyn Bright, 6 of Rancho Mission Viejo stand together in a giant spider web during the 5th annual Fall-O-Ween event at Heritage Hill Historical Park in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park visitors make their way through a straw maze during the 5th annual Fall-O-Ween event, hosted by OC Parks, in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Shen Khong of Marina del Rey sits with her dogs, Beau and Bandit, on the steps of the historic El Toro Grammer School at Heritage Hill Historical Park in Lake Forest during the 5th annual Fall-O-Ween event on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Ai Linh Kroll of Irvine and Chloe Kroll, 3, make their way through a straw maze during the 5th annual Fall-O-Ween event at Heritage Hill Historical Park in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Amy Sixsmith and Jeff Sixsmith of Lake Forest stand with their son, Roland Sixsmith, 2, in front of the historic Harvey Bennett Ranch House, decorated with a giant spider and web, at Heritage Hill Historical Park in Lake Forest during the 5th annual Fall-O-Ween event on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Shen Khong of Marina del Rey takes a photo of her dogs, Beau and Bandit, on the steps of the historic El Toro Grammer School at Heritage Hill Historical Park in Lake Forest during the 5th annual Fall-O-Ween event on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park visitors explore the grounds, visiting Halloween-themed photo stations, participating in a scavenger hunt, and going through a straw maze, during the 5th annual Fall-O-Ween event, hosted by OC Parks, in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Krupa Patel, left, and Urmila Patel look on while Kimaya Patel, 8, checks out a pair of witches on display at Heritage Hill Historical Park during the 5th annual OC Parks-sponsored Fall-O-Ween event on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Jared Strubeck of Lake Forest takes a photo of his kids, Savana Strubeck, 7, and Adeline Strubeck, 5, in front of a skeleton-covered hay wagon at Heritage Hill Historical Park in Lake Forest during the 5th annual Fall-O-Ween event, sponsored by OC Parks, on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Peter Siri, Inge Siri, and their boys Noah Siri, 8, and Nathan Siri, 6, of Diamond Bar stand together at one of the Halloween-themed photo opportunities at Lake Forest’s Heritage Hill Historical Park during the annual Fall-O-Ween event, sponsored by OC Parks, on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park visitors make their way through a straw maze during the 5th annual Fall-O-Ween event, hosted by OC Parks, in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer) -
Heritage Hill Historical Park visitors make their way through a straw maze during the 5th annual Fall-O-Ween event, hosted by OC Parks, in Lake Forest on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer)
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Tamami Vail and Mike Vail of Lake Forest sit with their kids, Emily Vail, 4, and Owen Vail, 1, on the steps of the historic El Toro Grammer School at Heritage Hill Historical Park in Lake Forest, during the 5th annual Fall-O-Ween event on Saturday, Oct. 11, 2025. (Photo by Jeff Antenore, Contributing Photographer)
Ghosts and goblins, along with Pikachu and princesses, filled the grounds of Heritage Hill Historical Park over the weekend.
OC Parks is hosting its fifth annual Fall-O-Ween and the fun continues this weekend from 4:30 to 8:30 p.m. Oct. 17-19. The park’s historic grounds have been decorated for Halloween-themed photo opps, and there is a scavenger hunt and a straw maze.
Fall-O-Ween is free at 25151 Serrano Road in Lake Forest. For more information, go to ocparks.com/heritagehillhistoricalpark.