Photo: Grace Lin
Photo: Marco Cendejas
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Old Mill Park
★4.8(156 reviews)FreePark
🕑 1.5-2.5 hours👶 Best for ages 1-8. Toddlers and preschoolers love the shallow creek for splashing and rock collecting, while older kids enjoy climbing on boulders and playing hide-and-seek around the historic mill structure.🧡 Saved by 13 families
About
Old Mill Park is a charming, family-friendly oasis in Mill Valley where kids can splash in the gentle creek, explore around the historic replica mill wheel, and run freely on soft grassy areas under towering redwoods. With its safe, enclosed feel and toddler-friendly water play, this park is a local favorite that combines natural beauty with low-key fun perfect for the preschool and early elementary crowd.
Highlights
- ✓Shallow, gentle creek perfect for safe water play and exploring
- ✓Historic replica Old Mill with working wheel that fascinates young kids
- ✓Shaded picnic areas under beautiful redwood trees
- ✓Large grassy lawn ideal for picnics, frisbee, or toddler running around
- ✓Natural boulders and rocks for climbing and imaginative play
Pro Tips
- 1.Bring water shoes or sandals for creek play,the rocks can be slippery and the water is chilly year-round
- 2.Arrive before 11am on weekends to snag shaded picnic tables and avoid the midday crowd
- 3.Pack a change of clothes because kids inevitably get soaked, even if they only planned to 'dip their toes in'
- 4.The parking lot is small (about 10 spots), so consider walking from downtown Mill Valley if it's full
- 5.Bring buckets and nets for creek exploration,kids love catching tadpoles and examining creek creatures
Best Time to Visit
Weekday mornings or late afternoons are ideal for a quieter experience. Late spring through early fall offers the best weather for creek play, though the park's shaded areas make it pleasant even on warm days.
What to Know
Free to visit with no admission charge. Parking is limited to a small lot on Cascade Drive, but street parking is available nearby. No restrooms on-site, so plan accordingly,downtown Mill Valley facilities are a short walk away.
Seasonal Notes
Creek water levels are highest in winter and spring but can be too cold and fast-moving for small children. Summer and early fall offer the warmest water temperatures. The park can get muddy after winter rains, so check conditions before visiting.
Nearby Eats
Walk to downtown Mill Valley (5 minutes) for family favorites like Piazza D'Angelo for pizza or Sweetwater Music Hall which has a kid-friendly café menu. The Depot Bookstore & Café is perfect for a casual sandwich and browsing with kids.
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