rocky mountains event San Bruno Mountain State Park south bay hikes team in training

Wildflowers of San Bruno Mountain

San Bruno Mountain State Park is pretty unassuming. You drive past it on Highway 101 as you pass South San Francisco from SF. From the roadway beneath it looks like a relatively tree-less expanse of hills, covered in grass or brush that goes from springtime green to summertime brown. While not entirely untrue, the thing …