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Hiking trails & Routes
United States
Colorado
Garfield County

Devils Causeway via Flat Tops Meadows

Hard

3.0

(21)

42

hikers

Devils Causeway via Flat Tops Meadows

08:49

28.7km

990m

Hiking

Embark on a demanding hike along the Devils Causeway via Flat Tops Meadows, a difficult 17.9-mile (28.7 km) route that climbs 3256 feet (993 metres) over approximately 8 hours and 48 minutes. You will traverse varied terrain, from peaceful forested sections and expansive open meadows to rugged alpine environments. The…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Flat Tops Wilderness

White River National Forest

Routt National Forest

Waypoints

A

Start point

Get Directions

1

3.61 km

View of Little Trappers Lake

Highlight • Viewpoint

Once you leave the shoreline of Little Trappers Lake, you climb up all the way towards the top next to the Chinese Wall. Look back for a great view of Little Trappers Lake and its larger brother.

Tip by

2

12.9 km

Devils Causeway Loop Trail

Highlight • Trail

This loop trail at the edge of the stunning Flat Tops Wilderness take you through lush pine forest and offers great views over the Stillwater Reservoir while you climb all …

Tip by

3

16.2 km

Devils Causeway

Highlight • Gorge

Those who dare to hike up here can enjoy one of the most spectacular views in the Flat Tops Wilderness Area and Stillwater Reservoir down in the valley. Devils Causeway …

Tip by

B

28.7 km

End point

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Way Types & Surfaces

Way Types

14.6 km

14.2 km

Surfaces

14.6 km

14.2 km

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Elevation

Elevation

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Weather

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Sunday 17 May

8°C

-3°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

Where is the trailhead for Devils Causeway via Flat Tops Meadows, and what are the parking options?

The primary trailhead for this route is typically accessed from the Stillwater Reservoir area. Parking is available at the Stillwater Reservoir Trailhead. It's advisable to arrive early, especially on weekends, as parking can fill up quickly due to the trail's popularity.

How challenging is the Devils Causeway via Flat Tops Meadows trail, especially the Causeway itself?

This trail is rated as difficult. While the initial sections from Stillwater Reservoir are relatively easy, the route involves significant elevation gain over talus slopes. The most challenging part is the Devils Causeway itself, a narrow land bridge that can be as little as 3 to 4 feet wide with significant drop-offs on either side. It requires a good head for heights and should be avoided if conditions are wet, windy, or if bad weather is approaching.

What kind of terrain can I expect on the trail?

The terrain varies considerably. You'll start through forested sections and open meadows, gradually transitioning to rough and rugged alpine environments. Expect talus slopes (broken rock) and steep ascents as you gain elevation. Beyond the Devils Causeway, the route may continue across flat, rolling alpine tundra if you're doing a longer loop.

What are the main scenic points and highlights along the route?

Hikers can expect spectacular scenery throughout. Key highlights include the stunning View of Little Trappers Lake, the impressive Chinese Wall (a mile-long mesa), and magnificent views of the surrounding Routt and White River National Forests. The Devils Causeway itself offers sweeping views across the high plateau of the Flat Tops Wilderness.

Does the route connect with other trails in the Flat Tops Wilderness?

Yes, the route intersects with several other trails. You'll find sections of the Little Trappers Trail, Bear River Trail, Chinese Wall Trail, East Fork Trail, and Carhart Trail along the way. The Devils Causeway Loop Trail is a popular option for extending the hike.

What is the best time of year to hike the Devils Causeway via Flat Tops Meadows trail?

The best time to hike this trail is typically from late July through early September. This period offers the most favorable weather conditions, with wildflowers often in bloom in the meadows. Before late July, snow can still be present at higher elevations, and after early September, weather can become unpredictable with early snowfalls.

Is the Devils Causeway via Flat Tops Meadows trail dog-friendly?

Yes, dogs are generally allowed on this trail within the Flat Tops Wilderness. However, they must be kept on a leash to protect wildlife and ensure a pleasant experience for all hikers. Be aware that the narrow and exposed Devils Causeway might be challenging or unsafe for some dogs, especially larger ones or those not accustomed to heights.

Do I need a permit or pay an entrance fee for the Flat Tops Wilderness?

No, there are typically no permits required or entrance fees to access the Flat Tops Wilderness Area for day hiking. However, always check the latest regulations with the US Forest Service (usda.gov) before your trip, especially if planning an overnight stay or group activity, as rules can change.

What kind of wildlife might I see on the trail?

The Flat Tops Wilderness is rich in wildlife. Hikers often spot elk, especially in the meadows during dawn or dusk. You might also encounter smaller mammals like marmots and pikas in the rocky alpine areas, as well as various bird species. Remember to observe wildlife from a distance and never feed them.

How long does it typically take to complete the Devils Causeway via Flat Tops Meadows hike?

This is a long and strenuous hike. The full route, which is nearly 29 km (18 miles) long, typically takes around 8 to 9 hours to complete. This duration can vary significantly based on your fitness level, the number of stops you make, and whether you choose to do a shorter out-and-back or a longer loop.

What should I consider bringing for this hike?

Given the trail's difficulty and alpine environment, essential items include plenty of water, high-energy snacks, sturdy hiking boots, and layers of clothing suitable for changing weather conditions. Sun protection (hat, sunscreen) is crucial due to high elevation exposure. A map and compass or GPS device are also highly recommended, as is a first-aid kit. Trekking poles can be very helpful on the steep and rocky sections.

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