Boulder, CO: Caribou Lake via Arapaho Pass Trail

Discover the blue pearls of famed Indian Peaks Wilderness on this moderate 8.4-mile high alpine hike.
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Discover the blue pearls of famed Indian Peaks Wilderness on this moderate 8.4-mile high alpine hike.

Trail Facts

  • Distance: 6.7

Waypoints

CLT001

Location: 39.9953651428223, -105.634429931641

From Fourth of July trailhead, head NW

CLT002

Location: 40.0005149841309, -105.639167785645

Good view of waterfall to W; turn R up switchback

CLT003

Location: 40.0032005310059, -105.643913269043

Mountain stream plummets to North Fork Boulder Creek

CLT004

Location: 40.0041351318359, -105.646385192871

Diamond Lake Trail; stay R on Arapaho Pass

CLT005

Location: 40.0071983337402, -105.652397155762

Trail meanders through low shrubs then quickly moves above treeline

CLT006

Location: 40.0077514648438, -105.654083251953

Braided creekbed; impressive views of rocky face of S. Arapaho

CLT007

Location: 40.010368347168, -105.658470153809

Veer L @ junction with Arapaho Glacier Trail; look for abandoned remains of Fourth of July Mine

CLT008

Location: 40.0149154663086, -105.675033569336

Small ponds dot the valley floor below; continue climb to Arapaho Pass

CLT009

Location: 40.0144004821777, -105.678070068359

R @ T; continue through Arapaho Pass. Optional: Hike .3 mi. to Lake Dorthy via Caribou Pass Trail

CLT010

Location: 40.0149841308594, -105.67765045166

Panorama of Caribou Lake and Santana Peak; switchback down to lake

CLT011

Location: 40.0222663879394, -105.681816101074

Caribou Lake; several campsites (permit required); return via same route