Alex Roddie takes a look at seven of the best hiking apps to help you find your way in the mountains as an additional ...

The San Mateo County Sheriff's Office says the search started early Thursday afternoon in the Windy Hill Open Space Preserve.

Margaret McKinley, known to her friends as Elaine, joined a small group for a hike on Thursday morning in the San Mateo County open space known as the Windy Hill Preserve.

Margaret “Elaine” McKinley of Redwood City went hiking with her family on Thursday at the Windy Hill Open Space Preserve.

The San Mateo County Sheriff's Office is asking residents in the area of the Windy Hill Open Space Preserve in Portola Valley to check their home cameras, after a hiker with dementia went missing on ...

PORTOLA VALLEY — The search continued Friday for a 79-year-old Redwood City woman who went missing a day earlier while hiking in the Windy Hill Open Space Preserve. Margaret “Elaine ...

Margaret "Elaine" McKinley went missing from a Thursday hike from the Windy Hill Preserve in Portola Valley. She ran ahead of her group, who were out for her partner's 81st birthday. She suffers ...

Margaret “Elaine” McKinley was hiking on the Lost Trail of the Windy Hill Open Space Preserve when she was last seen on Thursday, according to the San Mateo County Sheriff’s Office.

The 79-year-old suffers from Alzheimer's disease and got separated from her group Thursday while hiking Portola Valley's Windy Hill Open Space Preserve. Her sister says she's in disbelief.