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Indoor Playgrounds in Thornton, CO

Thornton has 4 indoor playgrounds — including 1 trampoline park and 3 that host birthday parties. Listings are ranked by what parents say (rating weighted by review count) and show live open-now hours, so you can pick a spot and go.

Malibu Jack's Thornton

4.6 ★★★★★ 1,514 reviews

10001 Grant St, Thornton, CO

Ages 4–14

Hosts birthday parties ~$30 admission spotless & cleanfriendly staffgood value

Denver Premium Outlet Play Area

4.7 ★★★★★ 1,048 reviews

, Thornton, CO

Ages 2–6

Popular playground for kids of all ages featuring climbing areas, slides and a jungle gym.

Sky Zone Trampoline Park

4.2 ★★★★☆ 1,894 reviews

9925 Grant St, Thornton, CO

Hosts birthday parties ~$50 admission birthday party favoritecafé for parentscomfy for grown-ups

Chain of indoor trampoline parks featuring freestyle bouncing, dodgeball, fitness programs & more.

Funcity Adventure Park

3.9 ★★★★☆ 145 reviews

1440 E 104th Ave, Thornton, CO

Hosts birthday parties ~$30 admission spotless & cleanbirthday party favoritehuge play structure

Good to know in Thornton

Admission mentions around Thornton range about $30–$50 per child. All 4 venues with posted hours are open on Sundays.

For a birthday party in Thornton

These venues host birthday parties — where the venue publishes a booking page, its listing links straight to it.

Malibu Jack's Thornton ★★★★★ 4.6 (1,514) — 10001 Grant St
Sky Zone Trampoline Park ★★★★☆ 4.2 (1,894) — 9925 Grant St
Funcity Adventure Park ★★★★☆ 3.9 (145) — 1440 E 104th Ave

Birthday party venues in Thornton →

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