Guides and Trips in California

We a group of hikers, senior in age but young in heart and body, went to Mill Valley for this planed long day hike. We had checked the weather condition in San Francisco and it was said to be cloudy. When we arrived the parking lot, we found that it was drizzling, not heavy to soak you but not light to be un-noticed. We decided to continue despite of the "rain", thought...