Diablo Valley
Mount Diablo Families

Things to Do with Kids

Fun for kids 5 and up — classes, parks, events, and more around Diablo Valley.

Updated August 24, 2026

This week: Aug 27 – Sep 3 · Next week: Sep 3–10

This week's weather · It's a dry week ahead with zero rain in the forecast — perfect for outdoor markets, evening hikes, and squeezing in those last summer adventures.

There's always something fun happening for kids around Diablo Valley — from library programs to outdoor adventures. With dry weather in the forecast, this is a great week to get out and explore everything the area has to offer.

This week

This week is packed with fun across the valley — kick things off Tuesday with the Children's Jazz Program at Walnut Creek Library or let kids get hands-on at the Wonderful Wednesdays: Insect Discovery Lab at Clayton Library on Wednesday. Train lovers won't want to miss the Walnut Creek Model Railroad Society Train Show on Friday night, and the Martinez Sesquicentennial Festival on Saturday is a rare, once-in-150-years celebration at the Martinez Marina and Waterfront Park. Round out the weekend with a Summer Neon Scorpion Hike at Lindsay Wildlife Experience on Saturday or Sunday, or cool off with a public swim at Pleasant Hill Aquatic Park.

Next week

Next week brings a great mix of free and family-friendly fun — catch Family Movie Night: The Wild Robot at Pleasant Hill Library on Tuesday, September 1st, or let little inventors shine at Tinker Thinkers! at San Ramon Library that same evening. The Pleasant Hill Night Market on Friday, September 4th makes for a fun evening out, and the Fall Neon Scorpion Hikes at Lindsay Wildlife Experience return on Saturday and Sunday for another round of glowing, after-dark adventure. The Lego Builders Club at Pleasant Hill Library on Saturday is a reliable hit for builders of all skill levels.

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
Open until 18:00

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
Closed today

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 the library events free?

    Yes! Nearly all library programs listed here are free and open to kids. Some may ask you to register in advance, so check the event details before heading out.

  • 💡

    What's a good outdoor option for kids this week?

    Lindsay Wildlife Experience is hosting evening scorpion hikes — a genuinely cool, hands-on nature experience kids tend to love. Several farmers' markets are also great for a casual family outing.

  • 💡

    Can my younger child come to events listed for kids 5+?

    Some programs welcome all ages — check each event's details. Library staff are usually happy to answer questions if you call ahead.

  • 💡

    Where can kids swim outdoors this week?

    Pleasant Hill Aquatic Park offers public swim sessions on Saturday and Sunday — a perfect end-of-summer splash before school ramps up.

More ideas

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