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United States
Colorado
Douglas County
Castle Rock

Ridgeline Open Space Trails loop

Hard

4.7

(5147)

19,816

runners

Ridgeline Open Space Trails loop

01:52

15.0km

270m

Running

Prepare for a challenging jogging experience on the Ridgeline Open Space Trails loop. This difficult route spans 9.3 miles (15.0 km) and climbs 873 feet (266 metres), taking about 1 hours and 52 minutes to complete. You will navigate rolling terrain on unpaved singletrack, winding through elevated grasslands, scrub, and…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

1.41 km

Ridgeline Open Space Trails

Highlight (Segment) • Trail

Ridgeline Open Space is a public park in the west of Castle Rock. It features an enormous amount of multi-use trails, mostly named after colors. It's your choice if you …

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15.0 km

End point

Parking

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Way Types & Surfaces

Way Types

13.4 km

1.35 km

310 m

Surfaces

13.4 km

781 m

500 m

379 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,010 m)

Lowest point (1,950 m)

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Weather

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Wednesday 1 July

32°C

11°C

0 %

Additional weather tips

Max wind speed: 34.0 km/h

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Frequently Asked Questions

Where can I park to access the Ridgeline Open Space Trails loop?

The Ridgeline Open Space Trails are conveniently located within a residential area in Castle Rock. There are multiple access points and parking areas. While specific parking lots aren't detailed, its urban proximity means neighborhood access points are common.

Are there any fees or permits required to use Ridgeline Open Space Trails?

No, there are no specific fees or permits required to access and enjoy the trails within Ridgeline Open Space. It's a public open space, freely accessible for activities like jogging, hiking, and mountain biking.

Is the Ridgeline Open Space Trails loop dog-friendly?

Yes, the Ridgeline Open Space Trails are generally dog-friendly. However, it's important to keep your dog on a leash and practice Leave No Trace principles by cleaning up after your pet.

What is the best time of year to jog the Ridgeline Open Space Trails loop?

The trails can be enjoyed year-round. Spring and fall offer pleasant temperatures and vibrant scenery. In winter, conditions can vary significantly; some sections may be snow-covered while others remain dry, depending on sun exposure. Summer mornings or evenings are ideal to avoid the heat.

How long does it typically take to jog the Ridgeline Open Space Trails loop?

The full loop, which is approximately 15 km (9.3 miles) long, typically takes around 1 hour and 52 minutes to jog, depending on your pace and fitness level. The route involves significant elevation changes, making it a challenging workout.

What is the terrain like on the Ridgeline Open Space Trails loop?

The terrain is primarily unpaved, singletrack with a soft surface, winding through valleys and along ridgelines. Expect rolling hills, short but steep climbs, switchbacks, and areas with loose turns. Some sections may be rutted from bike tires, and embedded rocks are present. Paved connections also provide access from surrounding neighborhoods.

What kind of scenery and wildlife can I expect to see?

You'll enjoy panoramic views of the Front Range, Castle Rock, and distant landmarks like Pikes Peak. The trail meanders through diverse landscapes including elevated grasslands, scrub, Gambel's Oak, and manzanita trees. Keep an eye out for wildlife such as mule deer, red foxes, and various birds. Mountain lion sightings are also possible.

Is the Ridgeline Open Space Trails loop suitable for beginners?

While the trail is rated as difficult for jogging due to its length and significant elevation gain (over 260 meters), it is generally considered moderate overall. It features many up and down hills, providing a good workout. Beginners might find shorter sections more manageable before attempting the full loop.

Does the Ridgeline Open Space Trails loop connect with other trails?

Yes, the Ridgeline Open Space Trails system is extensive, featuring over 13 miles of trails. The loop you're jogging intersects with and utilizes sections of several named trails, including the Green Loop Trail, Red Loop Trail, Yellow Loop Trail, and Blue Loop Trail, among others.

What is the main loop trail within Ridgeline Open Space?

The main outside loop within the Ridgeline Open Space trail system is known as the Stewart Trail. It spans approximately 9.5 miles and features mileage markers every half-mile, making it easy to track your progress.

Are there any amenities or places to eat near the trailhead?

Given its location nestled within a residential area of Castle Rock, there are likely various amenities, cafes, and restaurants available in the surrounding neighborhoods and the town itself, just a short drive from the trailheads.

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