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Colorado Trails

Boulder, CO: Betasso Preserve Loop

This 5.2-mile trail kicks off with a short albeit aggressive climb, then rambles through meadows that explode with wildflowers in the summer. Craggy mountain vistas abound.

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Trail Facts

  • Distance: 6.7

Waypoints

BPT001

Location: 40.0071182250977, -105.333435058594

Boulder Canyon Link trailhead; begin steep, rocky climb to gentler switchbacks ahead

BPT002

Location: 40.0144996643066, -105.338447570801

Straight @ T with paved road; trail zips up small hill to open meadow with mountainous views of Boulder Mtn.

BPT003

Location: 40.0167007446289, -105.340034484863

Turn R @ T

BPT004

Location: 40.0199851989746, -105.33415222168

Grassy vista overlooks beautiful frontcountry and Boulder Reservoir

BPT005

Location: 40.0207481384277, -105.337814331055

Begin descent into small valley with evergreen undergrowth

BPT006

Location: 40.0201988220215, -105.340469360352

Sharp bend to R; moderate exposure on R as the trail follows the preserve’s contour

BPT007

Location: 40.0263671875, -105.34546661377

Trail darts up mountain side, heading SSW

BPT008

Location: 40.0245018005371, -105.346115112305

Wildflowers paint a Monet-like landscape in yellow, purple, white, and red

BPT009

Location: 40.0236015319824, -105.345970153809

South Boulder Peak looms on the SE horizon

BPT010

Location: 40.0236511230469, -105.347183227539

Betasso Preserve parking lot on R; continue straight

BPT011

Location: 40.0167083740234, -105.340209960938

Turn R onto Boulder Canyon Link; return to trailhead