3D Printing 101: An Intro to 3D Printing
6:30 pm – 8 pm · Douglas County Libraries - Castle Rock (Philip S. Miller)
Families
Where to take children in Castle Rock, Colorado: storytimes and The Ranch play space at the library, ziplines, Sky Trek and the ninja course at The Edge, the playground at Fairgrounds Regional Park, two county trails, the depot museum, and the fall and holiday events downtown.
· Checked October 7, 2026
Castle Rock’s outings for children gather in three places: downtown, where the library, the depot museum and the holiday events are; Philip S. Miller Park, home of The Edge; and the County’s land at the fairgrounds and out on the open space. One gap first. The Town of Castle Rock runs its own parks and recreation, and its website, crgov.com, could not be read for this guide, so the Town’s parks, pools and recreation centers have no hours or prices here; check them there. The rest follows, with the hours, ages and prices each operator publishes.
The Philip & Jerry Miller Library at 100 S. Wilcox Street (303-791-7323) is open 8 to 8 Monday to Thursday, 8 to 6 on Friday and 10 to 4 at the weekend (Douglas County Libraries). Its play space, The Ranch, has a standalone stable, a tractor and a mini grain silo, with play materials for tending horses and animals, baling hay and gardening; the Rotary Club of Castle Rock sponsors it.
Storytime runs Monday to Saturday across the library district, with songs, rhymes, reading and fingerplays, and the library asks families to keep it allergen-free. On the Castle Rock storytime calendar this fall, all in the Kids Corner:
For older children, Slick Science brings rotating hands-on science activities for ages 8 to 12 each spring and fall; at Castle Rock the October session, on catapults, is on Tuesday, October 20, from 5 to 6, with registration for each child. Bark for Books lets young readers read aloud to trained therapy dogs. Battle of the Books, which the library calls a bowl-style trivia tournament about books, is for grades 3 to 6 and is entered through schools; the Castle Rock rounds begin on January 26. The library’s page for parents also points to Dolly Parton’s Imagination Library, which sends children from birth to age 5 a free book each month to keep, and among the Library Perks are a limited number of backpacks holding a pass good for admission to any Colorado state park. Noche de Familia, an evening of storytime, snacks and crafts in English and Spanish, comes round on various dates, and Camp DCL returns next summer.
The Edge Ziplines & Adventures, established in 2014, is inside Philip S. Miller Park at 1375 West Plum Creek Parkway (720-733-9477). Each of its four activities has its own age and weight rules, and the operator’s own pages do not always agree:
Everyone needs closed-toe shoes and long hair tied back, phones stay behind during the activities, and The Edge asks you to arrive 30 minutes early to check in. It operates in light rain and down to 35°F and closes for lightning and sustained winds over 25 mph. Its listed hours are 9 to 6 daily; the winter page gives weekend hours of 10 to 4, with some activities on a modified schedule, so check when you book.
The Edge’s visitor guide describes Philip S. Miller Park as 300 acres, with playgrounds for younger children, hiking and walking trails, picnic areas and the Challenge Hill staircase of more than 200 steps, and free parking a short walk from The Edge’s entrance.
Douglas County’s Fairgrounds Regional Park, 500 Fairgrounds Road, has a playground, a fitness court, six picnic shelters, restrooms, drinking fountains, ball fields where youth football, baseball and soccer are played, a dog off-leash area and 2.66 miles of paved trail, with a trail on into downtown and a view of the Rock (Douglas County). It is open from an hour before sunrise to an hour after sunset, later for night games on the lighted fields, and groups of 15 or more should reserve. Next door, the Douglas County Fairgrounds host more than 800 events a year and offer open riding in the indoor arena through the year; the 2026 Douglas County Fair & Rodeo ran from July 24 to August 2.
For a first hike, the County’s Glendale Farm trail at 12300 S. Havana Street is a moderately easy 1.6-mile loop, with a spur to the rocks, that climbs about 200 feet through the oaks to the high prairie and caprock overlooks (Douglas County). Dogs must be leashed on the trail, beside a 17-acre dog park that the County calls its busiest; there is a portable restroom and picnic tables, but no water. Dawson Butte, 1753 Tomah Road, is a longer outing: a 5-mile loop through forest and meadow, plus 2.7 miles of horse paths, shared with riders and mountain bikers. There is a restroom but no water, dogs must be leashed, and the County reminds visitors that elk, bears and mountain lions live there (Douglas County). Both are open from an hour before sunrise to an hour after sunset.
The Castle Rock Museum is in the town’s 1875 railroad depot at 420 Elbert Street, open Wednesday to Friday from noon to 5 and Saturday from 11 to 4 (Historical Society). On Saturday, December 12, from 10 am to noon, Santa visits the museum, with complimentary hot chocolate and cookies; bring your own camera (events). The Historical Society has put markers with QR codes on historic buildings around town, and anyone who finds them all and tells the museum gets a certificate of completion; its page gives the number of buildings as both 24 and 21. Its Ghostly Stories and Tragic Tales walking tours in October are free with a reservation, and they tell of ghostly and tragic events, so decide for your own children.
Through October the Outlets at Castle Rock show off Big Jack, which they call Colorado’s largest pumpkin, and run Big Jack’s Great Hide-and-Seek Adventure for children 10 and under: pick up a map at Customer Service, find the twelve hobbit friends hiding in store windows, and bring the finished map back for a prize. The rest of the season, with dates:
Something new is on the way for young athletes. On August 4, 2026, the County commissioners approved $7.5 million toward a 65,000-square-foot Gold Crown Foundation field house in Castle Rock, with six basketball courts, 12 overlapping volleyball courts and a room for STEM programs, on a 22-acre site the Town is providing; the County’s announcement gives no opening date.
Upcoming family events with published dates are on the guide’s events page.
6:30 pm – 8 pm · Douglas County Libraries - Castle Rock (Philip S. Miller)
Market
9 am – 4 pm · Douglas County Fairgrounds & Events Center · Free
Douglas County Libraries’ Castle Rock branch on South Wilcox Street, home of the system’s Archives & Local History, a ranch-themed play space for children and event halls that can be reserved.
An adventure park inside Philip S. Miller Park: a guided ten-line zipline tour, the Sky Trek ropes course, an adventure tower with climbs and jumps, and a ninja course. Book online.
Douglas County’s park at the fairgrounds: ball fields, a playground, a fitness court, six picnic shelters, an off-leash dog area and 2.66 miles of paved trail, with a trail into downtown.