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Hiking trails & Routes
Arapahoe County
Littleton

Mary Carter Greenway Trail

Hard

Mary Carter Greenway Trail

08:16

32.7km

60m

Hiking

The Mary Carter Greenway Trail offers a long and varied hiking experience along the South Platte River. You will find yourself on paved and crushed stone surfaces, passing through lush green meadows and alongside shimmering lakes like Eaglewatch Lake and Redtail Lake. This route is a difficult 20.3 miles (32.7…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

7.91 km

Eaglewatch Lake

Highlight • Lake

This lake is best known for its fishing, but it also fronts on the paved Mary Carter Greenway Trail (to the east side of the lake). You can also run …

Tip by

2

11.0 km

Redtail Lake

Highlight • Lake

Redtail Lake is surrounded by a network of trails that offer views of the water, wildlife, and mountains. You can access the lake from the Mary Carter Greenway Trail, which …

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3

13.5 km

South Platte Reservoir

Highlight • Lake

On this stretch of the bike path, you can enjoy panoramic views of Eaglewatch, Redtail and Blackrock lakes. The trail winds between the lakes, making it a very pleasant ride.

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4

13.5 km

Lake views

Highlight • Lake

On this stretch of the bike path, you can enjoy panoramic views of Eaglewatch, Redtail and Blackrock lakes. The trail winds between the lakes, making it a very pleasant ride.

Showing Translation

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5

17.1 km

This point marks the intersection and trailhead for the Lee Gulch Trail and the Mary Carter Trail. This major trail junction is along the shores of the South Platte River …

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6

18.5 km

The South Platte River is a tributary to the Platte River. It is 439 miles long and was originally called Niinéniiniicíihéhe by the native Arapaho people who lived on its banks.

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7

18.6 km

Don’t miss the chance to see a SpaceX rocket booster up close. It’s mounted just above the Mary Carter Greenway in Littleton, inside a fenced lot by DISH Network. You …

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8

21.8 km

Centennial Pond Sunset View

Highlight • Viewpoint

There is a trail that loops around Centennial Pond in Centennial Park that's really popular for walking and running. There is a dock on the western side of the water …

Tip by

9

32.4 km

Park and Rafters

Highlight • Parking

B

32.7 km

End point

Parking

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Way Types & Surfaces

Way Types

31.1 km

1.07 km

449 m

< 100 m

Surfaces

30.3 km

1.02 km

725 m

406 m

257 m

< 100 m

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Elevation

Elevation

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Thursday 7 May

21°C

1°C

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Frequently Asked Questions

Is the Mary Carter Greenway Trail suitable for beginners or families?

Yes, the trail is generally considered easy and suitable for all fitness levels, including beginners and families. It's mostly flat with no steep climbs, making it ideal for casual walks, running, and cycling. It's also wheelchair accessible in many sections.

What is the terrain like on the trail?

The Mary Carter Greenway Trail primarily features mostly flat and paved surfaces, predominantly concrete. For pedestrians and wheelchair users, there's often an adjacent crushed stone (or "crusher fines") path running parallel to the main paved trail. While largely smooth, some sections might have natural surface side trails, particularly closer to the river or through forested areas.

What natural features and landmarks can I see along the route?

You'll enjoy diverse scenery along the trail, following the South Platte River with views of lush meadows and shimmering lakes. Highlights include Eaglewatch Lake, Redtail Lake, and South Platte Reservoir. Keep an eye out for Views of the South Platte River and the Centennial Pond Sunset View. You might even spot the unique SpaceX Falcon 9 First Stage Booster B1021 monument.

What kind of wildlife might I encounter?

Despite its urban setting, the trail provides a valuable natural oasis. Visitors often spot abundant wildlife, including deer, elk, and coyotes. The river and lake areas also attract various bird species.

Where are the main access points and parking areas for the trail?

The trail has numerous access points along its length. A notable parking area is Park and Rafters. For detailed information on specific trailheads and parking, it's recommended to check local park resources or the visitlittleton.org website.

Does the trail connect to other paths?

Yes, the Mary Carter Greenway Trail is a crucial spine within the extensive Denver metropolitan trail system. It connects to other major trails like the Platte River Trail, Lee Gulch, High Line Canal Trail, and the C-470 trail. The route also passes through sections of the South Platte River Trail, Littleton L2, Littleton L12, and Littleton L6.

What is the best time of year to hike the trail?

The trail can be enjoyed year-round, but spring and fall offer the most pleasant temperatures for hiking and cycling. Summer can be warm with limited shade, while winter hiking is possible, though conditions may vary. Always check local weather and trail conditions before heading out.

Are dogs allowed on the Mary Carter Greenway Trail?

Yes, dogs are generally allowed on the Mary Carter Greenway Trail. However, they must be kept on a leash at all times, and owners are responsible for cleaning up after their pets. Please respect all posted signage regarding pet regulations.

Are there any permits or fees required to use the trail or South Platte Park?

Generally, there are no permits or entrance fees required to access the Mary Carter Greenway Trail itself or South Platte Park. However, specific events or activities within the park might have associated fees. It's always a good idea to check the official South Platte Park website for any updates on regulations or special requirements.

What amenities are available along the route?

The trail is well-equipped for longer outings. You'll find convenient rest areas, restrooms, drinking fountains, shaded picnic areas, and even bike repair stands along the route. These amenities make it easy to enjoy a full day out on the trail.

Is the Mary Carter Greenway Trail a loop or out-and-back?

The Mary Carter Greenway Trail is primarily an out-and-back trail, following the South Platte River. However, its extensive connectivity to other trails allows for various loop options if you plan your route using the broader Denver metropolitan trail system.

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