Saturday, Oct. 31
Event: Costume Nature Walk
Hike to Owl Hollow and keep an eye out for signs of overnight creatures. River Center, 11605 Old Friant Road, Fresno, 559-248-8480, Free. 9:30-11:30 a.m.
Event: Haunted Mansion
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Community: Community Health Fair
There will be health screenings and flu shots, medication disposal and a costume contest for children. California Health Sciences University, 120 N. Clovis Ave., Clovis, 559-325-3600, Free. 10 a.m.-2 p.m.
Event: Haunted Attraction
Find more things to do at calendar.fresnobee.com.