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An image depicting the trail Trappers Lake - Devil's Causeway Loop and its surrounding area.
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Trappers Lake - Devil's Causeway Loop

Garfield County, Colorado

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Trail length

55.8 km

Time

~3 days

Elevation Gain

1646 m

Hike Type

Multi-Day

“Traverse Colorado's wilderness on a scenic 35-mile hike with historic Trappers Lake and thrilling Devil's Causeway.”

What to expect?

wildlife
lakes
mountain-views
dog-friendly

Activity types

camping
nature-trips
wildflower-viewing
wildlife-viewing

Frequently asked questions

How long is the Trappers Lake - Devil's Causeway Loop and how many days does it take?

The Trappers Lake - Devil's Causeway Loop is 55.79 km, or about 34.7 miles, with 1,646 m of elevation gain, roughly 5,400 feet. Most backpackers split it into 2 to 4 days depending on pace, weather, and how much time is spent around Trappers Lake, the Chinese Wall area, and the exposed crossing at Devil's Causeway.

How difficult is the Trappers Lake - Devil's Causeway Loop in Colorado?

This route is generally rated medium, but the numbers make it a serious outing: nearly 56 km with 1,646 m of climbing. The biggest challenge is not just distance but the combination of high-elevation travel in the Flat Tops Wilderness, long days between trailheads, and the exposed rock spine at Devil's Causeway, which sits around 11,600 feet.

Where do you park for the Trappers Lake - Devil's Causeway Loop?

Parking for the most common Devil's Causeway access is at the Stillwater Trailhead near the end of Forest Service Road 900 southwest of Yampa. The Forest Service notes that from Yampa, County Road 7 becomes gravel after 6.5 miles and continues about 10 more miles to the trailhead, and that the lot can fill early, so designated parking only is important.

Is the Trappers Lake - Devil's Causeway Loop dog friendly?

Dogs are allowed on the Trappers Lake - Devil's Causeway Loop, but they must be under immediate voice control or leashed in the Devil's Causeway area. Flat Tops Wilderness regulations also prohibit uncontrolled dogs that harass wildlife, people, or property, so this is not a casual off-leash hike, especially on the narrow exposed sections.

When is the best time of year to hike the Trappers Lake - Devil's Causeway Loop?

The usual hiking season for the Devil's Causeway area is July through October. That timing matters because the route is high in the Flat Tops Wilderness, where snow can linger well into early summer and afternoon thunderstorms are a real hazard once the trail climbs above tree line near the causeway and plateau.

Is the Devil's Causeway section on the Trappers Lake - Devil's Causeway Loop scary or exposed?

Yes. The Forest Service describes Devil's Causeway as a narrow strip of rock about 3 feet wide with drop-offs of hundreds of feet on both sides, and it warns that crossing involves significant exposure. Hikers comfortable with distance may still find this to be the psychological crux of the entire loop.

Can you camp anywhere on the Trappers Lake - Devil's Causeway Loop?

Camping is possible on a multi-day trip, but Flat Tops Wilderness rules matter. No camping is allowed within 100 feet of lakes, streams, or trails in the Devil's Causeway area, and dispersed camping is also prohibited within a quarter mile of Trappers Lake and the nearby campgrounds, so campsite selection needs to be deliberate.

Comments and Reviews

User comments, reviews and discussions about the Trappers Lake - Devil's Causeway Loop, Colorado.

4.71 star

average rating out of 5

7 rating(s)