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Rio Grande National Forest

Top 12 Mountain Passes in Rio Grande National Forest

Best mountain passes in Rio Grande National Forest are found within a vast 1.86 million-acre expanse in south-central Colorado. This region features diverse landscapes, from high alpine peaks to sagebrush steppes, offering a variety of terrain for exploration. The passes provide access to wilderness areas, scenic drives, and routes for various outdoor activities. The forest is characterized by its significant elevation changes and natural features, making it a notable destination for mountain passes.

Best mountain passes in Rio Grande National…

Last updated: May 11, 2026

San Luis Pass

Highlight • Mountain Pass

San Luis Pass is located in a ditch between two steep climbs along the Colorado Trail. San Luis Peak is not visible from here.

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Carson Saddle

Highlight • Mountain Pass

Here you will encounter a confluence of different singletrack trails and gravel roads. About a mile up the gravel road to the north is Carson, an old well-preserved ghost town. …

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Wolf Creek Pass Climb South

Highlight (Segment) • Climb

Climbing Wolf Creek Pass eastwards on US Highway 160 from the Pagosa Springs side is a long, high-altitude journey to the Continental Divide, taking you deep into Colorado's stunning San …

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At Wolf Creek Pass, the Continental Divide Trail crosses Highway 160. It is a good spot to get on or off the trail or for hitching into South Fork (to …

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Saddle

Highlight • Mountain Pass

This saddle sits right on the Re Grande National Forest and La Gaita Wilderness line, and is where the Colorado Trail/Continental Divide continues south to drop down to San Luis Pass. Enjoy the fantastic views of this well-earned climb!

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Colorado Trail — The pinnacle of wild Colorado

The Continental Divide Trail — Across the sky of America

Hiking in Rio Grande National Forest

Running Trails in Rio Grande National Forest

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Colorado Trail — The pinnacle of wild Colorado

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Alex

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Caro "Bandit"
August 29, 2025, Wolf Creek Pass - Continental Divide Trailhead

At Wolf Creek Pass, the Continental Divide Trail crosses Highway 160. It is a good spot to get on or off the trail or for hitching into South Fork (to the north) or Pagosa Springs (to the south). Be careful when crossing the highway as it is quite busy.

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Alex
August 25, 2025, Saddle

This saddle sits right on the Re Grande National Forest and La Gaita Wilderness line, and is where the Colorado Trail/Continental Divide continues south to drop down to San Luis Pass. Enjoy the fantastic views of this well-earned climb!

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San Luis Pass is located in a ditch between two steep climbs along the Colorado Trail. San Luis Peak is not visible from here.

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Zachary
July 28, 2025, Carson Saddle

Here you will encounter a confluence of different singletrack trails and gravel roads. About a mile up the gravel road to the north is Carson, an old, well-preserved ghost town. Section 22 of the Colorado Trail runs east, and section 23 heads south. The Continental Divide Trail follows the same route as the CT.

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Climbing Wolf Creek Pass eastwards on US Highway 160 from the Pagosa Springs side is a long, high-altitude journey to the Continental Divide, taking you deep into Colorado's stunning San Juan Mountains. You'll ascend through beautiful forests to reach the lofty 10,857 ft summit. Averaging a challenging 5-7% with sustained pitches hitting 8% make this a tough finish at very high altitude. Enjoy the expansive mountain views, especially near the Wolf Creek Ski Area.

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Zachary
November 25, 2023, Carson Saddle

Here you will encounter a confluence of different singletrack trails and gravel roads. About a mile up the gravel road to the north is Carson, an old well-preserved ghost town. Section 22 of the Colorado Trail runs east, and section 23 heads south. The Continental Divide Trail follows the same route as the CT.

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Zachary
November 25, 2023, San Luis Pass

San Luis Peak towers over the pass. The trail to the east heads along the CDT / section 20 of the Colorado Trail, and the trail west starts section 21 of the CT to Spring Creek Pass. You can also run south along the Willow Creek Trail, which becomes Willow Creek Road as you descend into Creede.

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Frequently Asked Questions

What are some notable mountain passes in the Rio Grande National Forest?

The Rio Grande National Forest features several significant mountain passes. San Luis Pass is known for its connection to the Colorado Trail and Continental Divide Trail. Wolf Creek Pass, traversed by US 160, offers breathtaking views and access to the Continental Divide. Other passes like Slumgullion Pass on State Highway 149 and Cumbres Pass on State Highway 17 are celebrated for their scenic drives and access to wilderness areas.

What kind of views can I expect from the mountain passes in the Rio Grande National Forest?

You can expect diverse and stunning views. Passes like Wolf Creek Pass and Slumgullion Pass offer expansive vistas of the San Juan Mountains and surrounding forests. From Wolf Creek Pass Climb South, you'll ascend through beautiful forests to reach high-altitude summits. Other passes, such as Cochetopa Pass, provide views of unique sagebrush steppe landscapes.

What outdoor activities can I do near the mountain passes?

The mountain passes in the Rio Grande National Forest serve as gateways to a wide range of outdoor activities. You can find numerous opportunities for running, cycling, and mountain biking. For example, the Continental Divide Trail crosses Highway 160 at Wolf Creek Pass - Continental Divide Trailhead, providing excellent access for hikers. Stony Pass is particularly popular for challenging four-wheeling excursions.

Are there family-friendly options among the mountain passes?

Yes, some passes offer family-friendly access points and trails. The Wolf Creek Pass - Continental Divide Trailhead is noted as family-friendly, providing an accessible spot to experience the Continental Divide Trail. While many passes involve challenging terrain, there are often easier sections or viewpoints suitable for families to enjoy the scenery.

Are there any historical sites near the mountain passes?

Yes, near Carson Saddle, you can find the old, well-preserved ghost town of Carson, located about a mile up a gravel road to the north. This area also features a confluence of singletrack trails and gravel roads, with sections of the Colorado Trail and Continental Divide Trail passing through.

What makes Wolf Creek Pass a popular destination?

Wolf Creek Pass is popular for several reasons. It's famous for its breathtaking views along US 160 and its significant snowfall, making it a prime destination for winter sports near the Wolf Creek Ski Resort. It also serves as an important access point for the Continental Divide Trail, attracting hikers and scenic drivers alike.

Can I go cross-country skiing or enjoy winter activities on the passes?

Yes, Cumbres Pass is an excellent location for winter activities. The Southwest Nordic Center operates winter backcountry yurts on Cumbres Pass, making it ideal for cross-country skiing and other winter adventures. Wolf Creek Pass is also renowned for its heavy snowfall, supporting the nearby Wolf Creek Ski Resort.

Which passes offer challenging routes for cyclists?

For cyclists seeking a challenge, Wolf Creek Pass Climb South is a notable option. This route on US Highway 160 ascends to the Continental Divide, reaching a summit of over 10,800 ft with sustained pitches hitting 8%, making it a tough, high-altitude climb. Other passes like Cinnamon Pass also offer difficult cycling routes.

What is the best time to visit the mountain passes in the Rio Grande National Forest?

The best time to visit largely depends on your desired activities. For scenic drives and hiking, late spring through early fall (roughly May to October) offers the most accessible conditions, with clear roads and pleasant temperatures. For winter sports like skiing, the heavy snowfall from late fall to early spring (November to April) makes passes like Wolf Creek Pass and Cumbres Pass ideal.

Are there opportunities for off-roading or four-wheeling on the passes?

Yes, Stony Pass is particularly well-known for off-roading. It's an old wagon road reaching 12,588 feet and is a popular destination for four-wheeling excursions. It also provides access to the rugged Weminuche Wilderness for adventure seekers.

What are the characteristics of Slumgullion Pass?

Slumgullion Pass, traversed by State Highway 149, is known for its fabulous views and is part of the scenic Silver Thread Byway. It serves as an important access point to areas like San Luis Peak, the Wheeler Geologic Area, and the headwaters of the Rio Grande River, making it a gateway for wilderness exploration and scenic drives.

What is the significance of Cumbres Pass?

Cumbres Pass, located on State Highway 17, is part of the Los Caminos Antiguos Scenic Byway, which winds through the San Luis Valley. Beyond its scenic beauty, it's a hub for winter activities, with the Southwest Nordic Center operating backcountry yurts for cross-country skiing and other snow sports.

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See even more epic mountain passes by checking out these guides in Rio Grande National Forest:

Front RangePike And San Isabel National ForestsWhite River National ForestSawatch RangeSummit CountyGrand Mesa, Uncompahgre And Gunnison National ForestsSan Juan MountainsSan Juan National ForestPark CountySan Juan CountyArapaho And Roosevelt National ForestsGunnison CountyChaffee CountySaguache CountyClear Creek CountyLake CountyHinsdale CountyLarimer CountyPitkin CountyGrand CountyEagle CountyMineral CountyLa Plata CountyRoutt County

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