South Boulder Creek West and Lower Big Bluestem Loop
South Boulder Creek West and Lower Big Bluestem Loop
4.7
(1642)
19,832
hikers
01:58
7.13km
130m
Hiking
Embark on an easy hike along the South Boulder Creek West and Lower Big Bluestem Loop, a 4.4-mile (7.1 km) route that offers a relaxed outdoor experience. You will gain 416 feet (127 metres) in elevation, taking approximately 1 hour and 58 minutes to complete. As you hike, you will…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
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7.13 km
End point
Way Types & Surfaces
Way Types
6.56 km
546 m
< 100 m
Surfaces
6.33 km
798 m
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Elevation
Highest point (1,790 m)
Lowest point (1,660 m)
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Weather
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Today
Friday 8 May
19°C
4°C
8 %
Additional weather tips
Max wind speed: 15.0 km/h
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This route was planned by komoot.
Parking is available at the trailhead, which also offers amenities like restrooms and picnic facilities. It's advisable to arrive early, especially on weekends, as the area can get busy.
No specific permits or entrance fees are required to hike the South Boulder Creek West and Lower Big Bluestem Loop. This trail is part of the City of Boulder Open Space and Mountain Parks, which generally does not charge entrance fees for day use. However, always check the official Boulder Open Space and Mountain Parks website for any updated regulations or parking information.
Yes, dogs are generally allowed on this loop. However, it's crucial to follow all local leash laws and regulations set by the City of Boulder Open Space and Mountain Parks. Always pack out pet waste.
This loop is enjoyable year-round. Early May brings Rocky Mountain Irises, and early June features small wildflowers. In November, Smooth Sumac turns a deep red, offering beautiful autumn colors. Due to its sun exposure, it's a great option for winter hiking, but be prepared for heat during summer months.
The terrain is generally easy with gentle rolling hills. While much of it is a wide path, sections on the South Boulder Creek West side can be rocky single-track. The Lower Big Bluestem trail typically offers better footing. The entire route is mostly exposed, providing little shade.
The loop is approximately 4.4 miles (7.1 km) long and typically takes around 2 hours and 39 minutes to complete at a moderate pace. Your actual duration may vary based on your speed and how often you stop to enjoy the views.
You'll enjoy picturesque views of the Flatirons throughout the loop. The trail meanders through tall and mixed-grass prairie, offering opportunities to spot raptors, mule deer, coyote, and fox. Keep an eye out for notable rock formations, including one resembling a buffalo, along the Lower Big Bluestem Trail. Sections also pass by grazing cattle.
Yes, this route is part of a larger network. It utilizes sections of the Lower Big Bluestem Trail and the South Boulder Creek West Trail, and also briefly connects with the Mesa Trail, allowing for extended exploration if desired.
Yes, its easy difficulty and gentle rolling terrain make it suitable for casual hikes, beginners, and families. The minimal elevation gain and scenic views provide an enjoyable outdoor experience for most fitness levels.
This loop is a good choice for winter hiking due to its significant sun exposure, which can help keep trails clear of deep snow and make for a warmer experience. However, always be prepared for potentially icy sections, especially in shaded areas or after recent snowfall.
Yes, the trailhead provides convenient amenities including restrooms and picnic facilities. Equestrian parking is also available.