Miller Activity Complex
Private
The Miller Activity Complex (MAC) is a Town of Castle Rock recreation facility at Philip S. Miller Park that runs licensed youth day camps (MAC Adventure Days) when Douglas County schools are out. Campers spend days on crafts, hikes, sports, pool time, and trampolines across the 300-acre park, with both half-day and full-day options. Sessions are municipal parks-and-recreation programs; dates and ages vary by session.
The practical details
We list only what the camp itself publishes, and programs change — dates, prices, ages and availability can all move after we check. Confirm the details on the camp’s own website and contact Miller Activity Complex directly before you register or pay. Last checked August 2026.
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Google Reviews
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★★Kristi GumasThe price is way too high, especially when parents are required to pay to sit here and all the staff are on their phones. Then they seem irritated when they’re asked a question. Do better Castle Rock. At least it’s clean and my kids enjoy it.
★Pete CannellI used to really love this place for my kids, but recently it’s become overly managed and ridiculous. For started my son plays football, I have to watch him during practice. I had a team member tell me as an adult, I was sitting on the wrong side of a wall to watch to with no one else in the building. I’m sorry but who cares if I’m sitting at a table? I am not participating in any event. Then another time I went to get a bottle of water from the vending machine (still able to see my kids) and another staff member told me I have to stay with my kid at all times. My child was in viewing distance, and I have 3 of them. So basically to go here make sure you have one adult per child and do not walk 5 steps a at from any of them. It’s overly priced and hard to watch multiple kids at once. You are better off going elsewhere.
★★★★★Mariella BridgeIt’s really fun for all ages! My little cousin always invites my whole family to her birthday parties here! Pool and slide are nice but trampoline is very expensive! Also came here with family friends once and climbed the hill and did the zip line
★★★★★Shawna BernathWe love coming here to play, swim, jump on the trampoline, and we had my daughters birthday here as well as going to plan our sons party next year at the MAC. The front desk staff is always friendly to us and everyone that walked in, and being especially friendly with the younger kiddos! The vending machines take your money sometimes but that isn’t the fault of this place, more so the vending company.
★★★★Diamond Guy JakeThis place has free wifi and is a great time for the kids. The front desk staff is always friendly and the gym is clean and the indoor soccer field is in great shape. Our dojo rents the space for testing every so often and it is fantastic!