A search is underway near Portola Valley for a hiker with dementia who hasn't been seen since Thursday. The San Mateo County ...

The San Mateo County Sheriff's Office is conducting a search and rescue operation after it was reported that an elderly hiker with dementia went missing.

An elderly woman who was last seen hiking on Windy Hill Open Space Preserve on Thursday, May 1, is currently missing in ...

San Mateo County authorities are searching for a 79-year-old with Alzheimer's who went missing in Portola Valley while hiking ...

A 79-year-old woman went missing Thursday while hiking with her family in Portola Valley, according to the San Mateo County ...

An emergency search was underway on Friday for an elderly woman who went missing during a hike in Portola Valley.

The San Mateo County Sheriff’s Office is asking for the public’s help as it conducts a search and rescue operation for a missing elderly hiker suffering from dementia.