The chytrid fungal pathogen Bd causes a dangerous skin infection and spreads easily.
Cowell Ranch Beach near Half Moon Bay is an ideal stop for people interested in geology, marine mammals, and birds.
Baltimore Canyon connects to Mount Tam, making longer hikes easy.
It’s the epitome of the unwanted weed — but there are reasons to choose to want dandelions.
Macedo Ranch, at the foot of Mount Diablo State Park, is a favorite for locals in the know.