Mariposa County is gearing up for a thrilling and fun-filled Halloween season, offering events that cater to families, teens, and adults alike. Nestled in California’s scenic Sierra Nevada foothills, Mariposa brings a unique charm to autumn festivities. From lively carnivals to spooky haunted houses, residents and visitors can experience the perfect blend of seasonal fun, local culture, and community spirit this fall.
Bass Lake Halloween Carnival
- Dates: Sunday, October 26th, 11 AM – 3 PM
- Address: 5119 Jessie St, Mariposa, CA 95338
Bass Lake will host its annual Halloween Carnival, offering a day packed with family-friendly activities. This event is ideal for parents seeking a safe environment where children can enjoy classic fall entertainment. Attendees can look forward to festive games, pumpkin-themed activities, and costume contests that encourage creativity and participation from kids of all ages. The carnival is designed as a fun, inclusive event where everyone can celebrate the season’s spirit, mingle with the community, and make lasting memories.
Families can expect bounce houses, carnival games, and craft stations that allow children to engage in hands-on fun. The pumpkin patch at the carnival will offer a wide selection of pumpkins suitable for carving or decorating, perfect for families wanting to continue the Halloween festivities at home.
Food trucks and local vendors will provide seasonal treats and snacks, ensuring visitors stay energized while exploring the carnival. Costume contests will be a highlight, with prizes for creative, funny, and spooky outfits. This interactive and festive atmosphere makes the Bass Lake Halloween Carnival a must-visit for anyone in the county looking to celebrate the season with a mix of fun, community, and autumn charm.
Haunted House at the Mariposa Museum & History Center
- Dates: Tuesday, October 28th – Friday, October 31st, 5 PM – 8 PM
- Address: 5119 Jessie St, Mariposa, CA 95338
The Mariposa Museum & History Center brings back its 2nd Annual Haunted House Fundraiser, offering a thrilling experience designed for visitors of all ages. This four-day event is a perfect blend of fright, fun, and community engagement. Attendees can navigate through creatively designed haunted rooms filled with suspenseful surprises and spooky décor. The museum’s Haunted House is carefully crafted to provide chills without being overly frightening for younger visitors, making it an ideal family-friendly Halloween experience.
Throughout the week, visitors can enjoy a series of interactive activities, including scavenger hunts, photo opportunities, and engaging performances by local talent. On Friday, October 31st, the museum will welcome local food vendors to enhance the evening, providing a range of treats and refreshments. This creates an inviting atmosphere where families can enjoy both spooky thrills and delicious bites, adding to the overall Halloween experience.

The haunted house also serves as a fundraiser for the Mariposa Museum & History Center, supporting its mission to preserve local history and offer educational programming. By attending, participants contribute to the community while enjoying a memorable seasonal event. The museum encourages visitors to come in costume, adding to the festive energy and ensuring a visually engaging experience for all.
Why Mariposa County is Perfect for Halloween 2025
Mariposa County offers a unique setting for fall celebrations, combining small-town charm with scenic landscapes that enhance the Halloween experience. Unlike larger cities where events can feel crowded, Mariposa provides a warm and welcoming atmosphere where community events encourage participation and togetherness.
From daytime carnivals to evening haunted attractions, the county’s seasonal offerings cater to a wide audience, ensuring that everyone from toddlers to grandparents can enjoy Halloween festivities safely and enjoyably.
The Bass Lake Halloween Carnival and the Haunted House at the Mariposa Museum & History Center exemplify the county’s commitment to providing engaging, safe, and entertaining events for residents and visitors alike. With food vendors, costume contests, interactive games, and pumpkin patches, attendees can fully immerse themselves in the spirit of the season.
Whether families are seeking a playful, lighthearted experience or a slightly spooky adventure, Mariposa County delivers with charm, creativity, and community spirit.
Conclusion
This October, Mariposa County transforms into a hub of Halloween excitement, offering events that balance family-friendly fun with spooky thrills. The Bass Lake Halloween Carnival provides an energetic daytime experience filled with games, crafts, and pumpkin delights, while the Haunted House at the Mariposa Museum & History Center adds a touch of suspense and intrigue for all ages.
Together, these events highlight the best of Mariposa’s autumn celebrations, promising unforgettable memories for the entire family. Be sure to mark your calendars, bring your costumes, and experience the magic, thrills, and fun that make Mariposa County’s Halloween 2025 truly special.

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