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Routes
Hiking trails & Routes
United States
Colorado
Gilpin County

South Boulder Creek, Boulder Wagon, Rollins Pass and Forest Lakes Loop

Routes
Hiking trails & Routes
United States
Colorado
Gilpin County

South Boulder Creek, Boulder Wagon, Rollins Pass and Forest Lakes Loop

Hard

5.0

(3328)

7,646

hikers

South Boulder Creek, Boulder Wagon, Rollins Pass and Forest Lakes Loop

09:22

26.4km

1,010m

Hiking

This difficult 16.4-mile hiking loop in the James Peak Wilderness offers high-alpine scenery, historic routes, and 3320 feet of elevation ga

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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1

6.58 km

Rogers Pass Lake

Highlight • Lake

Rogers Pass Lake rests up above 11,000 feet and features rocky ridgeline views as its backdrop. The trails leading up to the alpine reservoir are known for their wildflowers in the spring and summer months.

Tip by

2

18.3 km

Needle's Eye Tunnel

Highlight • Structure

The Needle's Eye Tunnel was a short high altitude railroad tunnel on the Denver to Salt Lake Railway. It was closed in 1990 due to rock fall.

Tip by

3

21.2 km

Forest Lake #2

Highlight • Lake

This is the second, slightly higher, Forest Lake located at 10,852'. Much of the shore is rugged and obstructed in places, but is still accessible by trail. Its size and many contours afford privacy and space, even when crowded.

Tip by

4

22.2 km

Lower Forest Lake

Highlight • Lake

There is a stunning mountain lake located at the base of Beacon Peak. This lake is the lower of the two Forest Lakes at 10,664'.

Tip by

B

26.4 km

End point

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Way Types & Surfaces

Way Types

13.0 km

8.43 km

4.97 km

< 100 m

Surfaces

12.8 km

12.7 km

933 m

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Elevation

Elevation

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Weather

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Today

Wednesday 6 May

-2°C

-11°C

96 %

Additional weather tips

Max wind speed: 22.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the best time of year to hike this loop?

The prime hiking season for this high-alpine loop is typically from late June through early October. During this period, you'll experience the most favorable weather and clear trails. Be prepared for snow and ice even into late fall, potentially requiring microspikes, especially in higher elevations.

Is this trail dog-friendly?

Yes, the trail is generally dog-friendly. However, as much of the route lies within the James Peak Wilderness Area, it's crucial to follow all wilderness regulations, which typically include keeping dogs on a leash to protect wildlife and ensure a pleasant experience for all hikers. Always pack out waste.

Do I need a permit or pay an entrance fee for this hike?

Most of this loop is within the James Peak Wilderness Area, which generally does not require an entrance fee for day use. However, special regulations apply to camping and group sizes within wilderness areas. Always check the latest regulations with the U.S. Forest Service before your trip, especially if planning an overnight stay.

Where can I park to access the trailhead?

The loop typically starts near the East Portal of the Moffat Tunnel. Parking is available at the East Portal Trailhead. Given the popularity of the area and the length of this challenging loop, arriving early is highly recommended, especially on weekends, to secure a parking spot.

What is the terrain like on this loop?

The terrain is incredibly varied and challenging. You'll encounter rocky paths, especially near the alpine lakes and above treeline. The South Boulder Creek Trail involves multiple creek crossings and steep switchbacks. Along the Continental Divide Trail, the path can be faint in sections, marked by posts and cairns. The Boulder Wagon Road segment is an old roadbed, while the Forest Lakes Trail is rocky but relatively flat between the upper and lower lakes.

What notable features and landmarks will I see along the way?

This loop is rich in natural beauty and historical significance. You'll pass stunning alpine lakes like Rogers Pass Lake, Forest Lake #2, and Lower Forest Lake. You'll also encounter the historic Rollins Pass Road (Boulder Wagon Road), which was once a railroad line, and can see remnants like the blocked Needle's Eye Tunnel. Expansive views of the James Peak Wilderness are abundant, especially above treeline and from Rollins Pass.

Does this loop intersect with other well-known trails?

Yes, this extensive loop incorporates sections of several other notable trails. You'll hike along portions of the Continental Divide Trail (CDT - Colorado Section), the Rollins Pass Trail, the South Boulder Creek Trail, the Forest Lakes Trail, and the historic Boulder Wagon Road.

What kind of wildlife might I encounter?

The James Peak Wilderness Area is home to diverse wildlife. Along the South Boulder Creek Trail, there's a possibility of spotting moose. Keep an eye out for other high-alpine animals like pikas, marmots, and various bird species. Always maintain a respectful distance and never feed wildlife.

Are there any good viewpoints along the route?

Absolutely! The loop offers numerous breathtaking viewpoints. Above treeline, especially along the Continental Divide, you'll get expansive vistas of the surrounding mountains. From a saddle above Rogers Pass Lake, both Rogers Pass Lake and Heart Lake are visible. Rollins Pass itself provides stunning views down onto Yankee Doodle Lake and the vast wilderness.

Is this a good trail for beginners or families with young children?

Given its significant distance (over 16 miles), substantial elevation gain (over 3,300 feet), and challenging terrain, this loop is generally considered difficult and is not recommended for beginners or families with young children. Portions of the trail are rated intermediate to difficult, and the full loop can be a 'beast' to tackle. There are many shorter, less strenuous options in the surrounding area if you're looking for a more family-friendly or beginner-appropriate hike.

What should I pack for this challenging hike?

For this difficult and long high-alpine loop, be prepared for varied conditions. Essential gear includes plenty of water (there are creek crossings but filtering is recommended), high-energy snacks, layers of clothing (including rain gear, even on sunny days), sturdy hiking boots, sun protection (hat, sunglasses, sunscreen), a map and compass or GPS device, and a first-aid kit. Depending on the season, microspikes may be necessary for icy sections, and trekking poles can be very helpful for steep ascents and descents.

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