Thunder Lake Trail trail stages

stage 1

Thunder Lake Trail stage 1 Map

Starting at: Allenspark, Boulder County, 80510

Ending at: Campsite trail sign, Allenspark, Boulder County, 80510

Distance: 10.2 km

Elevation gain: 818 m

Duration: 03:24:28

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stage 2

Thunder Lake Trail stage 2 Map

Starting at: Allenspark, Boulder County, 80510

Ending at: Wild Basin Trailhead, Allenspark, Boulder County, 80510

Distance: 10.8 km

Elevation gain: 187 m

Duration: 02:28:10

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