### Instruction: What are some good things to do while spending a day in the Tamalpais Valley area of Mill Valley, CA?
### Response: Tamalpais Valley is a small neighborhood located in Marin County, California. A number of enjoyable activities can be had there during a short visit. Surrounded by lush hills, you will find a number of well maintained hiking trails. You can also enjoy delicious food at Cafe del Soul or Good Earth. If you need a quick pick-me-up, head over to Equator Coffees for a latte or espresso. Finally, you can cap your night off socializing with friends at The Junction over a pint of beer served from one of their 30 rotating taps.