Boulder Creek Path – Boulder Creek Trail loop from Flagstaff Mountain

Bike touring routes & trails

United States

Colorado

Boulder County

Boulder Creek Path – Boulder Creek Trail loop from Flagstaff Mountain

Hard

4.7

(6261)

17,163

riders

Boulder Creek Path – Boulder Creek Trail loop from Flagstaff Mountain

04:47

60.9km

820m

Cycling

Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is right next to a parking lot.

Last updated: October 15, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Boulder Open Space and Mountain Parks

Waypoints

Start point

Parking

Get Directions

224 m

Boulder Creek Path

Highlight (Segment) • Trail

Half a mile west of Eben G Fine park, the Boulder Creek Path turns into 2 miles of packed gravel. A gentle grade lets you enjoy the neighboring creek and …

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4.83 km

Boulder Creek Trail

Highlight • Trail

Nice spot to cool off after the hike

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9.27 km

Baseline 40th Parallel Memorial Survey Marker

Highlight • Monument

Monument to the 1859 survey and the location of the 40th parallel which became 'Baseline Road'.

See more details at:
waymarking.com/waymarks/WMAKKJ_Todd_Withrow_Flatirons_40th_Parallel_1859_Baseline_Survey_Boulder_CO
assets.bouldercounty.gov/wp-content/uploads/2017/03/baseline-40th-parallel-memorial-survey-marker.pdf

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11.5 km

Bear Creek Greenway

Highlight (Segment) • Cycleway

The Bear Creek Greenway meanders along the creek for many miles. It offers a paved trail lined with trees beside the water, with residential backyards on the opposite side.

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31.7 km

Marshall Mesa view

Highlight • Viewpoint

Great views of Marshall Mesa and the Flat Irons along the Coalton Trail.

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35.8 km

View to Davidson Mesa Open Space

Highlight • Viewpoint

The views from here are amazing. It shows just how wide and open Davidson Mesa Open Space is. It's a great place to stop for a pause.

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40.1 km

This is a nice packed dirt and gravel connector trail, with views of the range from South Bolder Peak to Green Mountain and the Flatirons. Best to avoid this track if there has been recent rain or snow.

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59.3 km

Boulder Adventure Lodge (A-Lodge)

Highlight • Mountain Hut

The Boulder Adventure Lodge (also known as the A-Lodge) is the closest hostel/camping area to downtown Boulder. Located just up Fourmile Canyon, the A-lodge hosts an entrance to the Betasso …

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