Diablo Valley
Mount Diablo Families

Things to Do with a Toddler

Toddler-friendly events and places across the Mount Diablo area — updated every week.

Updated October 19, 2026

This week: Oct 19–26 · Next week: Oct 26 – Nov 2

This week's weather · There's a rainy day or two possible this week, so check the forecast before heading out — but plenty of indoor library events have you covered.

There's always something fun happening for little ones across the Mount Diablo area — from libraries to parks to local farms. It's a great week to get out and explore with your toddler!

This week

This week is packed with Halloween fun for little ones! Kick things off at Wild Wednesday Preschool: Wild World — Australia at Lindsay Wildlife Experience on Wednesday, Oct 21, then swing by I Heart Toddler Art at Pleasant Hill Library the same day for some creative mess-making. On Friday, the Trunk or Treat Walnut Creek at Civic Park is a can't-miss costume outing, and the spooky fun continues Saturday with Trick or Treat on the Farm at Forest Home Farms and the Halloween Spooktacular in Downtown Martinez. Round out the week with the Diwali Celebration Street Fair at Lesher Center for the Arts on Saturday, or browse the Diablo Valley Farmers' Market at Shadelands for a relaxed morning out.

Next week

Next week brings even more Halloween magic just in time for the big day — don't miss Howl-ooo-ween 2026! at Lindsay Wildlife Experience on Tuesday, Oct 27, or the Fratello Marionettes presents: Spooktacular! puppet show at Danville Library the same day. On Thursday, the Spooktacular Halloween Story Time & Parade! at Concord Library sounds like a blast for costumed toddlers, and Friday brings a Halloween Baby Bash! at Pleasant Hill Library. On Halloween itself, Trick or Treat Street 2026 - Downtown Lafayette is a wonderful way to celebrate with your little one, and the Orinda Saturday Farmers' Market Halloween Harvest adds a festive outdoor option.

Coming up

Good anytime

Hap Magee Ranch ParkParks

Hap Magee Ranch Park

📍1025 La Gonda Wy

Hap Magee Ranch Park is a family favorite in Danville, featuring playgrounds for both younger and older kids, open grassy areas, picnic spots, walking trails, and a dog park. In the summer, children can cool off in the park’s popular splash pad and water play area, making it a perfect destination for warm-weather family outings.

Heather Farm ParkParks

Heather Farm Park

📍301 North San Carlos Drive, Walnut Creek, CA, USA

Heather Farm Park is a local favorite for families, with tons of space to play, explore, and unwind. There’s a great playground (including an all-abilities area), open fields, a pond, and easy trails for little legs. You’ll also find picnic spots, a dog park, and sports areas. It’s an easy go-to for a laid-back outing, whether you’re meeting friends or just getting the kids outside.

Larkey ParkParks

Larkey Park

📍2728 Buena Vista Ave, Walnut Creek, CA 94597, USA

A spacious 13-acre neighborhood park perfect for easy family outings. With separate playgrounds for ages 2–5 and 5–12, kids of all stages have space to play, while grown-ups can enjoy picnic areas, sports courts (tennis, basketball, volleyball), and peaceful trail connections. There’s a swim center, restrooms, and plenty of open space, plus dog-friendly paths (on leash). Whether you’re planning a picnic, playdate, or just some fresh air, it’s a solid go-to from dawn to dusk.

Lindsay Wildlife ExperienceAttractions

Lindsay Wildlife Experience

📍1931 1st Ave, Walnut Creek, CA 94597, USA
Open until 17:00

Kids can get up close to rescued native California animals through interactive exhibits and live animal encounters. The museum is especially great for younger children, with hands-on learning areas, outdoor play spaces, and easy walking paths that make it an engaging outing for the whole family.

Playground as The OrchardsParks

Playground as The Orchards

📍2830 Ygnacio Valley Rd, Walnut Creek, CA 94598, USA

Small but fun playground with multiple climbing options, suitable for toddlers or slightly older kids.

Pleasent Hill LibraryAttractions

Pleasent Hill Library

📍2 Monticello Ave, Pleasant Hill, CA 94523, USA
Closed today

Pleasant Hill Library is a great stop with kids. There’s a large, dedicated children’s area where little ones can spread out with books and activities, and a gated backyard space that’s perfect for a quick break to move around safely. Easy, low-key outing when you need something calm but engaging.

Pleasent Hill ParkParks

Pleasent Hill Park

📍147 Gregory Ln, Pleasant Hill, CA 94523, USA

An easy, reliable spot for a quick outing with kids. There’s a larger playground for older kids and a separate gated one for little ones, which is great when you don’t want to worry about them wandering off. Plenty of open grass for running around, plus good shade for warm days. It’s right next to the YMCA and the public swimming pool. Restrooms and parking are close by.

Pleasent Oaks ParkParks

Pleasent Oaks Park

📍2 Santa Barbara Rd, Pleasant Hill, CA 94523, USA

Pleasant Oaks Park is a family-friendly park in Pleasant Hill with a small playground that works well for both younger and older kids, plus plenty of open space to run around. The park is also popular for its multiple baseball and softball fields

Tilden Park Steam Train at the Redwood Valley RailwayAttractions

Tilden Park Steam Train at the Redwood Valley Railway

📍2481 Grizzly Peak Blvd, Orinda, CA 94563, USA
Opens at 11:00

All aboard for a classic East Bay adventure at the Redwood Valley Railway in Tilden Regional Park! Scenic ride through beautiful parkland that kids (and parents) love. Tickets are $4 each, or buy 5 tickets for $20. Tip: If you walk a bit further down into the valley past the main station, you’ll also find a small ride-on train that’s free to enjoy. It has shorter operating hours, so it’s worth checking early in your visit.

Walden ParkParks

Walden Park

📍2698 Oak Rd, Walnut Creek, CA 94597, USA

Situated by the Iron Horse Trail, Walden Park is a small but popular neighborhood park in Walnut Creek with playgrounds for both younger and older kids, open grassy areas, basketball courts, picnic tables, and a unique disc golf course. Lots of shaded spots make it great for a casual afternoon outing or scooter ride.

Tips

  • 💡

    Are library storytimes really good for toddlers?

    Yes! Most are 20–30 minutes with songs, movement, and a craft. They're free, low-pressure, and a great way to meet other local families.

  • 💡

    What's a good outdoor option if the weather cooperates?

    The local farmers' markets are perfect for toddlers — easy to stroll, lots of sensory fun, and usually short enough to keep little ones happy.

  • 💡

    Is Lindsay Wildlife Experience worth it for toddlers?

    Absolutely. Up-close animals, hands-on exhibits, and a calm pace make it one of the best toddler outings in Walnut Creek.

  • 💡

    How do I find out if an event is canceled last minute?

    Check the library or venue's website or social media the morning of — especially if rain is in the forecast.

More ideas

Refreshed weekly from real local listings.