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An image depicting the trail High Line Canal Trail and its surrounding area.
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High Line Canal Trail

Douglas County, Colorado

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Trail length

99.7 km

Time

~4 days

Elevation Gain

117 m

Hike Type

Multi-Day

“Embark on a historic 62-mile journey through Colorado's diverse landscapes on the serene High Line Canal Trail.”

What to expect?

wheelchair-friendly
rivers
historic-landmarks

Frequently asked questions

How long is the High Line Canal Trail in Colorado, and how many days does it usually take to hike?

The High Line Canal Trail is 99.66 km, or about 62 miles, with only 117 m of elevation gain, so it is far more about distance than climbing. Strong hikers can cover long sections in a day, but many people break it into several outings or a 2- to 4-day walk because it is a point-to-point route stretching from the Waterton Canyon area across the Denver metro corridor.

Where does the High Line Canal Trail start near Douglas County, and where can you park for the High Line Canal Trail?

The western start of the High Line Canal Trail is by Waterton Canyon in Douglas County, where the canal begins near the South Platte River diversion structure. A common access point is the Waterton Canyon Trailhead area on Waterton Road, and parking is available there, with the High Line Canal access just south of the main Waterton Canyon parking area.

Is the High Line Canal Trail difficult, or is the High Line Canal Trail good for beginners?

The High Line Canal Trail is generally an easy hike because the total elevation gain is only 117 m across nearly 100 km. The main challenge is endurance and logistics rather than steep terrain, so beginners often do best by choosing shorter point-to-point or out-and-back sections in Douglas County instead of attempting the full trail at once.

Is the High Line Canal Trail flat enough for a long walk or easy multi-day hike?

Yes. The High Line Canal Trail is notably flat for its length, gaining only 117 m over 99.66 km, which works out to a very gentle grade overall. That makes it suitable for long-distance walking, casual section hiking, and multi-day itineraries where steady mileage matters more than mountain climbing.

Are dogs allowed on the High Line Canal Trail in Douglas County?

Dogs are generally allowed on the High Line Canal Trail, but rules can vary by the agency managing each section because the route passes through multiple jurisdictions. In Douglas County, the trail corridor includes both standard trail sections and some designated dog off-leash areas shown on county mapping, so leash expectations can change depending on the exact segment being used.

What is the best section of the High Line Canal Trail to start with near Waterton Canyon?

A popular first section is the canal’s beginning near Waterton Canyon, where the route follows the historic canal corridor from the diversion area near the South Platte. This stretch is a practical introduction because it has trailhead access, parking, and a straightforward path, and it lets hikers see the canal’s origin in Douglas County before committing to longer segments.

What kind of surface and scenery does the High Line Canal Trail have in Douglas County?

In Douglas County, the High Line Canal Trail follows a broad historic canal corridor with gentle grades and a mix of open-space and suburban-edge scenery. The western miles near Waterton Canyon are among the more natural-feeling sections, and across the full route the trail transitions through Douglas, Arapahoe, Denver, and Adams counties, so the setting changes from quieter stretches to more urban segments.

Comments and Reviews

User comments, reviews and discussions about the High Line Canal Trail, Colorado.

4.67 star

average rating out of 5

6 rating(s)