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Douglas County
Castle Rock

Memmen Ridge Open Space Trail

Easy

Memmen Ridge Open Space Trail

01:28

5.41km

80m

Hiking

The Memmen Ridge Open Space Trail offers a delightful and accessible hike, winding through varied landscapes just outside Castle Rock. You'll traverse a mix of riparian areas with willows and cattails, then climb gently onto a mature ponderosa pine ridge within the Memmen Ridge Open Space. The path is a…

Last updated: June 9, 2026

Waypoints

A

Start point

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1

10 m

Memmen Ridge Open Space Trailhead

Highlight • Trail

The Trailhead for Memmen Ridge Open Space Trail lies directly behind the parking lot and leads to 2.4 miles of multi-use trails for mountain biking and hiking. You can vary …

Tip by

2

1.36 km

Memmen Ridge Open Space

Highlight • Forest

Memmen Ridge Open Space is a park in the southeast of Castle Rock and can be reached quickly from downtown. Its size is about 43 acres and hosts a nice …

Tip by

B

5.41 km

End point

Parking

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Way Types & Surfaces

Way Types

4.80 km

446 m

105 m

< 100 m

Surfaces

4.79 km

572 m

< 100 m

< 100 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Sunday 12 July

31°C

14°C

0 %

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Max wind speed: 24.0 km/h

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Frequently Asked Questions

What is the difficulty level and terrain like on the Memmen Ridge Open Space Trail?

Komoot rates this trail as

easy for hiking. However, the trail system features a mix of an 8-foot-wide concrete path and unpaved, native-surface singletracks. These natural paths can be beginner-intermediate to moderate in difficulty, with sections containing rock, dirt, and sandy patches that may be slippery due to loose sand and gravel. It transitions from riparian areas to a Ponderosa pine ridge.

Is the Memmen Ridge Open Space Trail suitable for families and dogs?

Yes, the trail is popular with families and pet owners. It's a multi-use trail enjoyed by hikers, mountain bikers, and dog walkers. Dogs are permitted but should be kept on a leash, following local open space regulations.

Where can I park and access the trailhead for this route?

The route starts at the Memmen Ridge Open Space Trailhead. Parking is available at this location, which is conveniently located adjacent to South Ridge Elementary School in Castle Rock.

What are the best times of year to hike this trail?

The trail offers different beauty throughout the year. It's particularly stunning in the fall when the gamble oak trees display vibrant yellow, red, and orange foliage. During spring and summer, the open space is rich with diverse indigenous plants and wildflowers. Winter conditions may vary, so check local advisories.

Do I need a permit or pay an entrance fee to access Memmen Ridge Open Space?

No, there are typically no permits or entrance fees required to access the Memmen Ridge Open Space or its trails. It's a publicly accessible open space.

What kind of views and natural features can I expect to see?

The trail offers picturesque views, including the southern parts of Castle Rock, "Castle Rock" itself, Mt. Evans, and Devil's Head from its ridge. You'll hike through a gamble oak and evergreen forest. There's also a scenic overlook approximately halfway through the loop, providing panoramic views of the surrounding countryside. The area is known for abundant wildflowers in spring and summer.

How long does it take to complete the Memmen Ridge Open Space Trail?

The primary loop trail is approximately 1.9 miles (3.06 km) long with about 200 feet (61 meters) of elevation gain. Komoot estimates this specific route, which is 5.4 km (3.36 miles), takes approximately 1 hour and 28 minutes to complete for hiking.

What should I wear or bring for a hike on this trail?

Given the varied terrain, including potentially loose sand and gravel, it's advisable to wear shoes with good grip. For protection against overgrowth in some areas, consider wearing long pants. Always bring water, especially during warmer months.

Does this trail connect with other paths?

Yes, the route utilizes sections of several official trails within the open space. You will be hiking along parts of the Memmen Ridge Open Space Trail and the Memmen Ridge Trail.

Are there any specific highlights along the route?

Yes, the route takes you through the Memmen Ridge Open Space itself, which is a notable forested natural area. The starting point is the Memmen Ridge Open Space Trailhead.

Is the trail a loop or an out-and-back?

The primary trail system at Memmen Ridge Open Space includes a loop option, which is approximately 1.9 miles long. This specific Komoot route is also designed as a loop.

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