Slumgullion Earthflow - Image 1
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Slumgullion Earthflow

4.6
·491k reviews·, United States

Witness one of North America's largest ancient landslides, a vast, rugged expanse of rock and debris shaped by immense natural forces.

Highlights

Must-see attractions

Social content

Social

From TikTok & Reddit

Best Time

Late Spring to Early Fall

Clearer skies, accessible roads

CrowdLow
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Slumgullion Earthflow - Image 1

Slumgullion Earthflow

Best Time

Late Spring to Early Fall

Clearer skies, accessible roads

CrowdLow

Highlights

Must-see attractions

Witness one of North America's largest ancient landslides, a vast, rugged expanse of rock and debris shaped by immense natural forces.

4.6
(491k reviews)

"A truly awe-inspiring geological spectacle, the Slumgullion Earthflow is a must-see on the Silver Thread Scenic Byway."

Vertical photo
TIP

🚗 Pull Over Safely

Use designated pull-offs on CO-149. Don't stop in the road! :car:

👟 Sturdy Footwear Needed

The terrain is uneven. Wear good walking shoes for exploring. :athletic_shoe:

Third hero image

Highlights

Discover the most iconic attractions and experiences

The Great Slump

The Great Slump

Main overlook area

Witness the immense scale of this ancient landslide, a chaotic jumble of rock and debris.

Pioneer Cabin

Pioneer Cabin

Near the earthflow

Explore a historic cabin, a testament to early human presence in this rugged landscape.

Scenic Overlooks

Scenic Overlooks

Along CO-149

Numerous pull-offs offer breathtaking panoramic views of the earthflow and surrounding San Juan Mountains.

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Planning Your Visit

Timing is Everything

The Slumgullion Earthflow is a vast geological feature, best appreciated with ample daylight. Consider visiting during the shoulder seasons (spring or fall) to avoid extreme weather and potential summer crowds, though it's rarely packed. Early morning or late afternoon light offers the most dramatic views for photography.

Prepare for the Elements

This is an outdoor attraction with minimal facilities. Dress in layers, as mountain weather can change rapidly. Sturdy walking shoes are essential for exploring the terrain. Bring water and snacks, as services are scarce. Cell service can be spotty, so download offline maps.

Best Times

When
Late Spring to Early Fall
Why
Clearer skies, accessible roads
Crowd
Low
When
Early Morning / Late Afternoon
Why
Golden hour light
Crowd
Low

Insider Tips

from TikTok, Instagram & Reddit

🚗 Pull Over Safely

Use designated pull-offs on CO-149. Don't stop in the road! :car:

👟 Sturdy Footwear Needed

The terrain is uneven. Wear good walking shoes for exploring. :athletic_shoe:

💧 Bring Water & Snacks

Services are limited. Stay hydrated and fueled for your visit. :water_wave:

📸 Golden Hour Magic

Visit early or late for dramatic light on the earthflow. :camerawithflash:

Tips

from all over the internet

🚗 Pull Over Safely

Use designated pull-offs on CO-149. Don't stop in the road! :car:

👟 Sturdy Footwear Needed

The terrain is uneven. Wear good walking shoes for exploring. :athletic_shoe:

💧 Bring Water & Snacks

Services are limited. Stay hydrated and fueled for your visit. :water_wave:

📸 Golden Hour Magic

Visit early or late for dramatic light on the earthflow. :camerawithflash:

🗺️ Download Offline Maps

Cell service is unreliable in this remote area. :iphone:

What Travellers Say

4.6
(491k reviews)

Reviews Summary

Visitors are consistently awestruck by the immense scale and unique geological features of the Slumgullion Earthflow. The accessibility via CO-149 and the dramatic scenery are major highlights. Some visitors note the lack of extensive facilities and the need for preparedness, but overall, it's considered a remarkable natural wonder.

What People Like

Immense scale
Unique geology
Scenic drive

What People Dislike

Limited facilities
Remote location

Frequently Asked Questions

🚇 🗺️ Getting There

The Slumgullion Earthflow is located along Colorado State Highway 149 (CO-149) between Lake City and Creede, Colorado. It's easily accessible by car, with numerous pull-offs and overlooks directly off the highway. The drive itself is scenic, part of the Silver Thread Scenic Byway.

CO-149 is generally open year-round, but winter conditions can lead to temporary closures or require 4WD/chains. It's always best to check road conditions with CDOT before your trip, especially outside of the summer months.

The closest towns are Lake City to the north and Creede to the south. Both offer lodging, dining, and other visitor services. Lake City is about 15 miles north, and Creede is about 25 miles south of the main earthflow area.

Yes, RVs can access the Slumgullion Earthflow via CO-149. The highway is paved and well-maintained. However, be mindful of the numerous pull-offs and ensure you have adequate space to maneuver if you plan to stop.

No, there is no public transportation that directly serves the Slumgullion Earthflow. A personal vehicle is necessary to visit this natural attraction.

🎫 🎫 Tickets & Entry

No, there are no entrance fees or tickets required to visit the Slumgullion Earthflow. It is a roadside natural attraction managed by the U.S. Forest Service, and access to the overlooks is free.

The Slumgullion Earthflow is accessible 24/7, as it is an outdoor natural feature along a public highway. However, daylight hours are recommended for the best viewing experience and safety.

Facilities are very limited. You'll find basic informational signage at some overlooks and vault toilets at a few designated rest areas. There are no visitor centers, gift shops, or restaurants directly at the earthflow.

While you can walk around the immediate areas near the overlooks, extensive hiking directly on the unstable earthflow is not recommended for safety reasons. Stick to designated paths and viewing areas.

Some of the main overlooks have paved paths and are relatively accessible. However, the terrain is inherently uneven, and exploring further afield may be challenging for those with mobility issues.

📸 📸 Photography

The numerous pull-offs along CO-149 offer excellent vantage points. The main overlook provides a sweeping panorama. For unique shots, explore the edges of the earthflow (safely!) to capture the texture and scale. Early morning and late afternoon light create dramatic shadows and highlight the terrain's features.

A wide-angle lens is great for capturing the vastness of the earthflow. A telephoto lens can be useful for isolating interesting rock formations or distant mountain peaks. A tripod can help with low-light photography during sunrise or sunset. Don't forget extra batteries, as cold weather can drain them faster.

Drone usage is subject to U.S. Forest Service regulations. Generally, drones are permitted for recreational use in many areas, but you must follow FAA guidelines and avoid flying over people or sensitive wildlife areas. Check with the nearest Forest Service office for specific restrictions.

The 'golden hours' – shortly after sunrise and before sunset – offer the most dramatic lighting. The low-angle sun casts long shadows, accentuating the earthflow's contours and textures. Midday sun can be harsh and wash out details.

Yes, the Pioneer Cabin is a popular subject for photographers. It offers a glimpse into the past against the backdrop of the immense earthflow. Be respectful of the historical structure.

For Different Travelers

Tailored advice for your travel style

👨‍👩‍👧 Families with Kids

The Slumgullion Earthflow offers a unique, albeit rugged, outdoor experience for families. The main overlooks provide safe viewing areas where children can marvel at the sheer size of the earthflow. Encourage them to imagine the immense power that created this landscape. Pack plenty of snacks and water, as facilities are minimal. The drive along CO-149 is scenic, with opportunities for short, easy walks at designated pull-offs. Ensure children stay within safe viewing areas and away from steep drop-offs.

🚗 Road Trippers & Scenic Drivers

For those on a road trip through Colorado, the Slumgullion Earthflow is a must-see stop along the Silver Thread Scenic Byway. The drive itself is spectacular, with winding roads and dramatic mountain scenery. The numerous pull-offs offer convenient places to stop, stretch your legs, and take in the views. The earthflow provides a fascinating geological detour that breaks up the journey between Lake City and Creede. Allow ample time to stop at various overlooks and truly appreciate the scale of this natural wonder.

Deep Dives

In-depth insights and expert knowledge

Understanding the Slumgullion Earthflow

The Slumgullion Earthflow is one of the largest and most impressive ancient landslides in North America. It's a massive debris flow that occurred thousands of years ago, estimated to be around 2,000 years old, though some sources suggest it may have been active for a longer period. The flow originated from the slopes of the nearby volcanic peaks and cascaded down the valley, covering an area of approximately 8 square miles. The sheer volume of material, estimated to be around 2.5 billion cubic yards, is staggering.

Geologists study the earthflow to understand the processes of mass wasting and the stability of volcanic slopes. The varied textures and sizes of the rocks and soil within the flow provide clues about the forces involved in its creation. The landscape is a chaotic jumble of hummocks, depressions, and channels, a testament to the immense power of nature. The earthflow has significantly altered the local topography, damming drainages and creating unique microhabitats.

Visitors can best appreciate the scale of the Slumgullion Earthflow from the numerous overlooks along CO-149. These viewpoints allow you to grasp the immense breadth and depth of the ancient slide. It's a powerful reminder of the dynamic geological forces that shape our planet.

Exploring the Silver Thread Scenic Byway

The Slumgullion Earthflow is a key attraction along the Silver Thread Scenic Byway, a designated All-American Road that winds through some of Colorado's most stunning mountain scenery. This byway connects the historic mining towns of Lake City and Creede, offering a journey through diverse landscapes, from high mountain passes to lush valleys and dramatic geological formations.

Driving the Silver Thread is an experience in itself. The road climbs to over 11,000 feet at Slumgullion Pass, providing breathtaking vistas. Along the route, you'll encounter opportunities for hiking, fishing, and exploring the rich mining history of the region. The contrast between the rugged, raw beauty of the earthflow and the charming, historic towns makes for a memorable road trip.

When planning your visit to the Slumgullion Earthflow, consider dedicating time to explore the entire Silver Thread Scenic Byway. This will allow you to fully appreciate the natural and historical wonders of southwestern Colorado. The byway is particularly stunning in the fall when the aspen trees turn vibrant shades of gold and orange.

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