Miller Activity Complex (MAC)
Philip S. Miller Park, Castle Rock, CO
Large Castle Rock recreation complex with an indoor play structure, toddler area, leisure pool, trampolines, and birthday party options.
Soft toddler play pieces sit next to the larger indoor climbing structure.
Photo 1 of 4. Soft toddler play pieces sit next to the larger indoor climbing structure.
Editorial notes
What stands out
Good fit
- Mixed-age siblings who want climbing play plus pool or trampoline add-ons
- Birthday parties that need a private room and active-play options
- Families looking for an indoor backup plan with plenty of room to move
Consider another option if
- Parents seeking a quieter play-cafe atmosphere
- Families who want a simple toddler-only soft-play stop
- Visitors expecting one flat admission to cover every activity area
Know Before You Go
- Socks
- Trampoline socks purchased at the MAC are required for trampoline use.
- Supervision
- Caregiver participation is required for younger children throughout the facility.
- Supervision model
- Caregiver supervised
- Hours vary due to private events
- Yes
What to Expect
For kids
- Toddlers
- Preschoolers
- Big kids
- Mixed ages
- Toddler area
- Soft play
For caregivers
- Family restrooms
- Free parking
- Caregiver supervised
- Visit type
- mixed recreation outing
Read more about this location
Miller Activity Complex (MAC) is Castle Rock's big all-weather family recreation hub inside Philip S. Miller Park. For indoor-play families, the biggest draw is the children's play structure with a tall slide and adjacent toddler zone, plus a leisure pool and trampoline area that can turn a short stop into a longer outing. It works especially well for mixed-age sibling groups because there are multiple activity types under one roof, but younger kids still need close caregiver supervision throughout the facility.
Hours & Admission
Posted hours
Check posted weekly hours
View full weekly hours
| Monday | 8:00 AM – 9:00 PM |
|---|---|
| Tuesday | 8:00 AM – 9:00 PM |
| Wednesday | 8:00 AM – 9:00 PM |
| Thursday | 8:00 AM – 9:00 PM |
| Friday | 8:00 AM – 9:00 PM |
| Saturday | 8:00 AM – 9:00 PM |
| Sunday | 8:00 AM – 8:00 PM |
Based on posted weekly hours. Holidays, private events, seasonal schedules, and special closures may differ.
Admission
| Visitor | Price |
|---|---|
| Trampoline Admission | $17 resident / $20 non-resident per jumper, plus $3 trampoline socks |
Admission details can change. Confirm current fees before visiting.
Birthday Parties
Party or event options reported
Accessibility
Sensory Notes
The overall environment can feel energetic and noisy because multiple activity zones operate at once.
Location
1375 W Plum Creek Parkway
Castle Rock, CO, 80109
Other options nearby
Noah's Playpark
Church-based indoor playpark in Castle Rock with a multi-level climber, party room, and reservation-based birthday bookings.
Sources & Updates
2 public sources on record · Last checked Apr 6, 2026. Time-sensitive details may have changed.
View source and update details
- Last check on record
- Apr 6, 2026
- Sources reviewed
- 2 public sources
Public sources
Checked: operating status, address, phone, main hours, amenities, play structure age rules
Checked: party package names, party pricing, party room details, room capacity, host setup and cleanup
What changed
April 6, 2026
Verified MAC indoor-play details, main hours, and party package structure from official Castle Rock pages.