2
hikers
03:28
9.63km
810m
Hiking
Hike the moderate 6.0-mile Rosalie Peak via Tanglewood Trail, gaining 2646 feet for expansive views of the Mount Blue Sky Wilderness.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Get Directions
26 m
Highlight • Parking
Tip by
6.50 km
Highlight • Trail
Tip by
7.69 km
Roosevelt Lakes
Lake
9.63 km
End point
Way Types & Surfaces
Way Types
9.63 km
Surfaces
8.41 km
1.21 km
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Elevation
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Weather
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Saturday 5 September
20°C
10°C
36 %
Additional weather tips
Max wind speed: 4.0 km/h
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This route was planned by komoot.
The trail typically starts at the Deer Creek Trailhead. Parking is available at this trailhead, but it's always a good idea to arrive early, especially on weekends, as spots can fill up quickly for popular routes in the Mount Blue Sky Wilderness.
This challenging hike usually takes around 3 hours and 27 minutes to complete, according to our tour data. However, given its significant elevation gain and sections of off-trail travel, experienced hikers should plan for a full day, allowing extra time for breaks, navigation, and enjoying the summit views.
The initial 3-4 miles follow a forested path alongside Tanglewood Creek, which can be rocky in parts. As you gain elevation, the trail becomes steeper and eventually breaks out of the treeline. The final 1 to 1.5 miles to Rosalie Peak often involve off-trail hiking, requiring route-finding skills and Class 2 scrambling over rocky sections above the treeline.
Early sections offer views of Tanglewood Creek and opportunities to see wildflowers and aspens. Once above the treeline, you'll be treated to expansive views of neighboring peaks like Mount Blue Sky, Mount Bierstadt, and Square Top. The trail also passes through stands of bristlecone pines. The Rosalie Mountain trail junction is a key point before the final push to the summit, which offers impressive vistas as the southernmost thirteener in the Mount Blue Sky Wilderness.
Yes, the Tanglewood Trail is generally dog-friendly. However, as it's located within the Mount Blue Sky Wilderness (part of Pike National Forest), dogs must be kept on a leash to protect wildlife and ensure a pleasant experience for all hikers. Be prepared for rocky terrain and potential off-trail sections that might be challenging for some dogs.
No specific permits are required for hiking the Rosalie Peak via Tanglewood Trail itself. However, it is located within the Mount Blue Sky Wilderness (formerly Mount Evans Wilderness) in Pike National Forest. While there isn't an entrance fee for the wilderness area, always check the latest regulations for the Pike National Forest regarding parking fees or specific area restrictions before your visit.
The best time to hike this trail is typically from late June through September, once the snow has melted from the higher elevations. Fall offers vibrant aspen foliage in the lower sections. Always check weather forecasts, as conditions above treeline can be cool and windy, and afternoon thunderstorms are common during summer months.
No, this trail is rated as Difficult and is generally recommended for experienced hikers. It features a significant elevation gain of approximately 4,300 feet, sustained climbing, and sections of off-trail hiking that require route-finding skills and Class 2 scrambling. It is not suitable for beginners or young children.
Yes, the route incorporates sections of several trails. You'll primarily follow the Tanglewood Trail, but the path also utilizes portions of the Roosevelt Lakes Trail and the Rosalie/Tanglewood Trail. This network of trails helps guide you through the diverse landscape towards Rosalie Peak.
The initial 3-4 miles of the trail follow Tanglewood Creek, offering ample water access, though it's always recommended to filter or treat any natural water sources. Beyond this, water sources become scarce, especially above treeline. As for amenities, the trail is in a wilderness area, so there are no facilities directly on the trail. Nearby towns would offer cafes, pubs, and accommodation, but plan to be self-sufficient for the duration of your hike.
Rosalie Peak, at 13,575 feet, is a challenging "thirteener" that offers a rewarding climb without the crowds often found on Colorado's 14ers. It provides a less-traveled route with opportunities for solitude, particularly above timberline, and impressive views of the surrounding Mount Blue Sky Wilderness. It's a great option for experienced hikers looking for a significant high-altitude challenge away from the busiest peaks.
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