

Discover 204 Day tours in San Mateo County on Trip.com, updated January 21, 2026, with experiences lasting from 1 to 11 hours. Find the perfect adventure for your day!
From HKD 276.18 per person, with an average total of HKD 721.05. Choose the option that suits your plan.
With 9.093k verified reviews, Day tours San Mateo County boast an average rating of 4.7.
This week's most popular Day tours: "Napa and Sonoma Wine Country Full-Day Tour from San Francisco", with 4.311k reviews and a 4.3 rating.
Now on Trip.com: "Monterey Peninsula + 17-Mile Drive 1-day tour [Premium small group of no more than 12]", a 9-hour adventure in San Mateo County!
The next available day tour departs on January 22, 2026. Book now to secure your spot!
San Mateo County Day tours usually take about 9 hours — perfect for a relaxed, immersive experience!
100% of San Mateo County Day tours now offer English-speaking guides
January is perfect for visiting San Mateo County! Choose from Day tours available day tours, including seasonal hits like Napa and Sonoma Wine Country Full-Day Tour from San Francisco.
Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.
![Monterey Peninsula + 17-Mile Drive 1-day tour [Premium small group of no more than 12]](https://ak-d.tripcdn.com/images/fd/tg/g2/M03/8C/60/Cghzf1Ww8OWAaFrOABIjMG9sjpE667_C_568_320.jpg?_fr=wc)

![1-day tour of the 17-Mile Drive scenic route on the Monterey Peninsula from San Francisco [Lone Cypress/Pebble Beach]](https://ak-d.tripcdn.com/images/0350912000ivzv5z52E2A_C_568_320.jpg?_fr=wc)















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