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Louisville, Colorado

14 mi   dirt

Dirty Bismark Loop

Dirt route on Coalton Trail, Louisville, Boulder County, Colorado

"The Dirty Bismark follows the dirt version of the old Bismark road bike loop - this one has a mix of gravel roads, easy singletrack, and gravel paths."

   2    2
0 mi   gravel

Louisville

Gravel route from Pine St to Lowell Blvd, Westminster, Adams County, Colorado

9 mi   gravel

Louisville

Gravel route from Pine St to Lowell Blvd, Westminster, Adams County, Colorado

0 mi   gravel

City of Lafayette Trail

Gravel route from S 104th St to W Dillon Rd, Broomfield, Boulder County, Colorado

1 mi   gravel

Gravel path

Gravel route from Pika Point to S 104th St, Louisville, Boulder County, Colorado

0 mi   gravel

Coal Creek Trail

Gravel route from Coal Creek Trail to Empire Rd, Louisville, Boulder County, Colorado

1 mi   gravel

City of Lafayette Trail

Gravel route from US-287 to Cherry St, Louisville, Boulder County, Colorado

"Called the South Trail by locals, gravel"

12 mi   pavement

to Dillon Road

Pavement route on St Andrews Ln, Louisville, Boulder County, Colorado

"Pavement and some gravel "

69 mi   gravel

Powerline Trail to West Cherry Street

Gravel route from W Cherry St to W Chestnut Cir, Louisville, Boulder County, Colorado

33 mi   gravel

CNDR Final Route

Gravel route from Cherry St to CO-66, Longmont, Boulder County, Colorado

4 mi   gravel

Davidson Mesa Trail

Gravel route from Willow Pl to Skyway Ct, Boulder, Boulder County, Colorado

1 mi   gravel

Harper Lake

Gravel route on , Louisville, Colorado

"Gravel & dirt loop."

3 mi   dirt

Rocky Flats

Dirt route from Poppy Way to Westgate Rd, Louisville, Jefferson County, Colorado

7 mi   dirt

Rocky Flats

Dirt route from Yucca Court to W 120th Ave, Louisville, Jefferson County, Colorado

"Plutonium processing plant. V Rocky. Only glows at night!"

3 mi   gravel

Davidson Mesa

Gravel route on N McCaslin Blvd, Louisville, Boulder County, Colorado

"Gravel walking/biking path."

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