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1.30km
100m
Hiking
Embark on an easy winter hike along the Guanella Pass Winter Road, a short 0.8-mile (1.3 km) route that offers a unique perspective of the Colorado high country. You will gain 321 feet (98 metres) in elevation over an estimated 24 minutes, making it a quick and rewarding outing. As you follow the snow-covered path, you'll be treated to panoramic views of the majestic Rocky Mountains, including prominent peaks like Mount Bierstadt and Mount Blue Sky, with scenery transitioning from evergreen forests to open vistas above the treeline.
This trail is only accessible when the main Guanella Pass road is closed to vehicles, typically from late November or early December until late May. During these months, the road transforms into a pristine winter wonderland. You can park at designated closure points, such as near Naylor Lake on the Georgetown side, to begin your adventure. While hiking is possible, be prepared for packed snow; snowshoes or cross-country skis are often recommended for a more comfortable experience.
The Guanella Pass Winter Road provides a special opportunity to explore Arapaho National Forest in its serene winter state. Keep your eyes peeled for local wildlife, as this area is known for sightings of bighorn sheep and the elusive white-tailed ptarmigan. It's a perfect way to immerse yourself in the quiet beauty of the Rockies when the landscape is blanketed in snow, offering a peaceful escape from the everyday.
Last updated: April 23, 2026
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1.30 km
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Way Types & Surfaces
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1.18 km
122 m
Surfaces
1.14 km
< 100 m
< 100 m
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During the winter closure, the Guanella Pass Road is closed to vehicles at Naylor Lake on the Georgetown side and at Burning Bear Campground on the Park County side. Ample parking is available at these closure points, serving as the trailheads for the winter road.
The Guanella Pass area, including the winter road, is generally dog-friendly. However, it's always best to keep your dog on a leash to protect wildlife and ensure a pleasant experience for all hikers. Please remember to pack out all waste.
The Guanella Pass Winter Road is accessible for hiking, snowshoeing, and cross-country skiing when the main road is closed to vehicles, typically from late November or early December until late May. This period offers a unique opportunity to experience the snow-covered mountain landscape.
No, there are no specific permits or entrance fees required to hike the Guanella Pass Winter Road itself. The trail is located within the Arapaho National Forest, which generally does not require permits for day hiking. However, if you plan to access other trails like Mount Bierstadt, always check for any specific wilderness area regulations.
The trail follows the paved Guanella Pass Road, which becomes covered in 2 to 3 feet of packed snow during winter. While the physical rating is generally considered easy for the 3-mile out-and-back route, the high altitude (starting around 10,876 feet and reaching 11,451 feet) can make it challenging for those not acclimated. Snowshoes or cross-country skis are often recommended due to the snow depth.
Given the high altitude and winter conditions, it's crucial to be prepared. Essential gear includes warm, layered clothing, waterproof outer layers, insulated boots, gloves, a hat, sunglasses, sunscreen, plenty of water, and snacks. Snowshoes or cross-country skis are highly recommended, and trekking poles can provide extra stability. Always check the weather forecast before you go.
The winter road offers breathtaking panoramic views of the snow-covered Rocky Mountains, including prominent peaks like Mount Bierstadt and Mount Blue Sky. The landscape transitions from evergreen forests to above treeline vistas. The area is also known for wildlife, with opportunities to spot bighorn sheep and white-tailed ptarmigan.
Yes, the winter road serves as an access point for more challenging winter adventures. From the pass, you can access trailheads for popular routes like Mount Bierstadt (a 14er) or the trails leading to Silver Dollar Lake, which are popular for snowshoeing or skiing.
The 'Guanella Pass Winter Out-and-Back' route is generally considered easy in terms of physical exertion over its 3-mile length. However, the high altitude requires caution, especially for beginners or families with young children. If you are new to winter hiking or not acclimated to high elevations, start with shorter distances and be prepared for rapidly changing weather conditions.
No, the Guanella Pass Winter Road is primarily an out-and-back trail during its winter closure. You hike along the closed road to a certain point and then return the same way. There are no designated loop options for the winter road itself.
The entire trail is at a high elevation, starting around 10,876 feet and reaching a maximum of 11,451 feet. This means you should be prepared for colder temperatures, rapidly changing weather, and the potential effects of altitude sickness. Acclimatize if possible, stay hydrated, and be aware of symptoms like headache, nausea, or dizziness. Turn back if symptoms worsen.