Top picks for Mill Valley Outdoor experiences

Discover 28,920 Outdoor experiences in Mill Valley on Trip.com, updated 18 October 2026, with experiences lasting from 1 to 5 hours. Find the perfect adventure for your day!

From €0.07 per person, with an average total of €53.21. Choose the option that suits your plan.

With 4.07k verified reviews, Outdoor experiences Mill Valley boast an average rating of 4.5.

This week's most popular Outdoor experiences: "US 5G eSIM | Three-network support, supports ChatGPT & Google Maps | 500MB/day - 100GB total | 1-90 days | 24-hour billing | QR code", with 3.12k reviews and a 4.5 rating.

Now on Trip.com: "Muir Woods and Sausalito: Small-Group Tour", a 5-hour adventure in Mill Valley!

The next available day tour departs on 19 October 2026. Book now to secure your spot!

Mill Valley Outdoor experiences usually take about 5 hours — perfect for a relaxed, immersive experience!

October is the perfect time to visit Mill Valley! Choose from 28,920 available day tours, including seasonal favorites like US 5G eSIM | Three-network support, supports ChatGPT & Google Maps | 500MB/day - 100GB total | 1-90 days | 24-hour billing | QR code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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28920 results for Mill Valley Outdoor experiences

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RecommendedAttractions (28603)Day tours (240)Water activities (1)Outdoor experiences (56)Boat experiences (32)Cultural experiences (25)City sightseeing (69)Nature & wildlife (40)Travel photography (5)Food & drink (50)Aerial tours (8)Shows & events (2)SIM card (35)Boat tickets (1)Equipment rental (1)Travel extras (1)

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Reviews/Trip Moments

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Reviews: US 5G eSIM | Three-network support, supports ChatGPT & Google Maps | 500MB/day - 100GB total | 1-90 days | 24-hour billing | QR code
Guest User2026-09-23
eSIM was easy to installed. I tap on the phone from the order and done in about 3 minutes, activate data roaming and off you go, can access everything from WhatsApp to YouTube. Google in China. Speed outs good and upload is fast. Chew through data a bit.
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Reviews: United States/Canada 5G eSIM | Multi-network • ChatGPT available | Daily plan/total data | 24-hour billing | QR code
Guest User2026-10-13
Excellent eSIM for my trips to Canada and the USA! The internet connection was reliable and convenient to use. Easy to activate and perfect for traveling. Highly recommended!

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