Phillp S. Miller Park / Miller Activity Center (MAC)
ElevationAscent: 573' 175 m
Descent: -574' -175 m
High: 6,632' 2,021 m
Low: 6,359' 1,938 m
GradeAvg Grade: 3% (2°)
Max Grade: 15% (9°)
Current trail conditions
Popular rides nearby
Ridgeline Open Space
9.9 mi 15.9 km • Loop • 1,017 ft Ascent 309.92 m Ascent
Singletrack Castle Rock, CO( 144 )
6.9 mi 11.1 km • Loop • 492 ft Ascent 149.95 m Ascent
Singletrack The Pinery, CO( 84 )
Indian Creek Loop - Trail #800
14.0 mi 22.5 km • Loop • 2,360 ft Ascent 719.28 m Ascent
Singletrack Roxborough Park, CO( 97 )
CT - Indian Creek (Waterton Canyon Alt.)
19.0 mi 30.6 km • Point to Point • 2,810 ft Ascent 856.63 m Ascent
Singletrack Roxborough Park, CO( 10 )
North Fork Lollipop
21.0 mi 33.8 km • Loop • 2,685 ft Ascent 818.5 m Ascent
Singletrack Pine, CO( 48 )
Buffalo Creek Big Loop - IMBA EPIC
24.2 mi 39.0 km • Loop • 2,590 ft Ascent 789.56 m Ascent
Singletrack Pine, CO( 261 )
Navigate on-trail with our free app
“Awesome, flowing singletrack with good technical sections including rocks and berms.”— Matt Rettmer
Family Friendly These trails are not too challenging. Kids and beginners should enjoy them immensely. The adjacent playground, sports fields, and zip-lining also provide post-ride entertainment options.
The trail continues past the steps and the singletrack starts. Stay to the right as the first left will take you to the top of the mini incline. Follow the singletrack as it twists and winds around the hills of this 270-acre park.
At the first intersection past Challenge Hill, hang a left and head over to the Red Loop. Once you hit the Red Loop, turn left and enter the awesomeness that is the Philip Miller Park trail network.
This network basically is one big loop, connected together by four different colored loops: the Red, Green, Gold and Purple Loop. Be sure to follow the signs. At almost every trail junction, you'll be turning left, except for on the Purple Loop.
The stretch on the Red Loop weaves in and out and up and down around the southern part of the park, allowing great views of the mountains to the south.
Your next trail junction will be with the Green Loop. Continue left/straight onto the Green Loop and begin your climb up to the southwestern side of the park. Once you reach the top of this section, you'll get outstanding views of the foothills to the west.
After this, you'll come to the start of the Gold Loop. Again, turn left and follow this trail along the top of the mountain. After about a half a mile, you'll start to get a lot of twists and turns and ups and downs, so be ready.
At the westernmost point of the Gold Loop, you'll encounter Ridgeline Open Space Access Trail, which allows access to the adjacent Ridgeline Open Space using a pedestrian bridge over Wolfensburger Road. (See description for Ridgeline Open Space on MTB Project).
Continue on the Gold Loop to your trail intersection with the Purple Loop. This intersection is a "four-way stop" so stay to the left to continue on this route.
Now you are on the Purple Loop, which is at the northernmost section of the park. After about one half mile, be sure to look up and take in the view of the Castle Rock and the surrounding buttes. Don't forget to stop and look around as the views from the tops of the hills are impressive and provide a great overlook to Castle Rock and the surroundings area.
The trail has very few straight sections, so use caution on the blind corners when going up or down the switchbacks. The trail has some short but steep climbs but nothing that a fit, regular mountain biker can't power up. The reward is worth it for the views and the fun and quick downhills.
Biked this trail?
We need help with the following missing trail information:
Need to Know, Features, E-Bikes Allowed, History & Background
Land Manager: Town of Castle Rock, CO - Parks, Open Space and Trails