High Line Canal, Lee Gulch, and Mary Carter Greenway Loop
High Line Canal, Lee Gulch, and Mary Carter Greenway Loop
4.8
(8939)
10,304
hikers
03:58
15.3km
110m
Hiking
The High Line Canal, Lee Gulch, and Mary Carter Greenway Loop offers a delightful blend of urban green space and natural scenery, making it one of the more popular hiking routes in the South Metro Denver area. You'll traverse diverse terrain, from the smooth concrete paths of the Mary Carter Greenway alongside the South Platte River, past lush meadows and serene lakes, to the peaceful gravel paths of Lee Gulch with its overarching trees and small waterfalls. This moderate 9.5-mile (15.3 km) hike, with a gentle 360 feet (110 metres) of elevation gain, takes about 3 hours and 57 minutes, providing a substantial yet accessible outdoor experience.
Accessing the High Line Canal Lee Gulch Mary Carter Greenway Loop is convenient, with numerous parking options and trailheads available along its length. While no permits are required, and the trails are generally open year-round, visiting during the shoulder seasons of spring or fall can offer the most comfortable temperatures and vibrant scenery. It's a great option for a longer walk or bike ride, and you'll find amenities like restrooms and picnic areas along the Mary Carter Greenway section.
This loop is a fantastic example of urban greenway development, connecting the extensive High Line Canal Trail with the Mary Carter Greenway via the crucial Lee Gulch Trail. The Mary Carter Greenway even features a dual-path system, separating pedestrians from bikers for enhanced safety. The historic High Line Canal, originally an irrigation system from the 1880s, adds a unique historical dimension to your journey, showcasing an engineering marvel repurposed for recreation and ecological benefit. It's a truly family friendly hike, offering scenic views and wildlife spotting opportunities within the city.
Last updated: June 9, 2026
Waypoints
Start point
Parking
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10.9 km
Highlight • Trail
Tip by
15.3 km
End point
Way Types & Surfaces
Way Types
12.2 km
1.72 km
769 m
544 m
< 100 m
Surfaces
7.77 km
4.62 km
1.90 km
547 m
423 m
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Elevation
Highest point (1,680 m)
Lowest point (1,630 m)
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Weather
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Today
Wednesday 19 August
29°C
17°C
64 %
Additional weather tips
Max wind speed: 16.0 km/h
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This route was planned by komoot.
The loop is approximately 15.3 kilometers (9.5 miles) long. Most hikers complete it in about 3 hours and 50 minutes, depending on their pace and how often they stop to enjoy the scenery.
The terrain is largely flat, making it accessible for various skill levels. You'll encounter a mix of surfaces, including sections of soft surface gravel, asphalt, and concrete. The High Line Canal portion often features soft gravel in its southern half, while the Lee Gulch Trail is primarily a peaceful gravel path.
This loop offers diverse scenery. You'll experience the historic High Line Canal with views of the Front Range, the tree-lined Lee Gulch Trail with a beautiful lake, and the Mary Carter Greenway running parallel to the South Platte River. A notable feature is the Lee Gulch and Mary Carter Trail Intersection, and you can also find an original, historic High Line Canal flume along the way.
The trail is maintained year-round, allowing for enjoyment in all seasons. Its diverse landscapes offer unique beauty throughout the year, from lush greenery in spring and summer to colorful foliage in autumn and serene, often clear, paths in winter.
Yes, the trail is generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to maintain a pleasant experience for all users and protect local wildlife.
You can easily access the trail from various starting points with parking available. Popular options include Writers Vista Park, Reynolds Landing Park, or the Carson Nature Center.
Generally, there are no specific permits or entrance fees required to access the High Line Canal, Lee Gulch, and Mary Carter Greenway Loop. While parts of the trail pass through areas managed by South Suburban Parks and Recreation District, standard park access is usually free. Always check local signage for any specific regulations or temporary closures.
The Lee Gulch section, in particular, is known for potential wildlife sightings. Keep an eye out for various birds, ducks on the lake, and small mammals like rabbits. The diverse habitats along the loop support a range of local fauna.
Yes, this loop is part of an impressive network. It connects segments of the High Line Canal, Mineral Trail, Mary Carter Greenway, and Lee Gulch Trail. Specifically, the route also passes through sections of the Lee Gulch Trail, Littleton L12, Littleton L5, and Mary Carter Greenway Trail, allowing for customizable routes and longer explorations.
Yes, the loop's largely flat and varied terrain makes it suitable for families. The mix of soft surface and paved paths, along with opportunities for wildlife spotting and scenic views, can make for an engaging outing for children. Just be mindful of the total distance for younger hikers.
This loop is rated as moderate. While it is largely flat, its length of over 15 kilometers contributes to this rating. It's suitable for walkers, hikers, and bikers of varying skill levels who are prepared for a longer outing.
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