BLACK TRAILS

These expert-level trails in Summit and Park Counties deliver adrenaline-pumping rides, rocky features, and intense elevation changes—perfect for seasoned mountain bikers seeking high-altitude adventure and serious singletrack action.

  • HARD LUCK TRAIL

    LEVEL OF DIFFICULTY: DIFFICULT

    DISTANCE: 0.6 MILES

    VERTICAL CLIMB: 0 FEET

    VERTICAL DROP: ~300 FEET

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  • MONKEY BUTT TRAIL #9510

    LEVEL OF DIFFICULTY: DIFFICULT

    DISTANCE: 1 MILE

    VERTICAL CLIMB: ~370 FEET

    VERTICAL DROP: ~10 FEET

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  • B-LINE

    LEVEL OF DIFFICULTY: DIFFICULT

    DISTANCE: 0.4 MILE

    VERTICAL CLIMB: ~5 FEET

    VERTICAL DROP: ~175 FEET

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  • AFTERMATH

    LEVEL OF DIFFICULTY: DIFFICULT

    DISTANCE: 0.7 MILE

    VERTICAL CLIMB: 0 FEET

    VERTICAL DROP: ~320 FEET

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  • LENAWEE

    LEVEL OF DIFFICULTY: DIFFICULT

    DISTANCE: 3.3 MILES

    VERTICAL CLIMB: ~50 FEET

    VERTICAL DROP: ~2,200 FEET

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  • BURRO-SPRUCE CREEK-BURRO

    LEVEL OF DIFFICULTY: INTERMEDIATE/DIFFICULT

    DISTANCE: 9.6 MILES

    VERTICAL CLIMB: ~1,500 FEET

    VERTICAL DROP: ~1,500 FEET

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  • BRECKENRIDGE TO COMO

    LEVEL OF DIFFICULTY: INTERMEDIATE/DIFFICULT

    DISTANCE: 22.6 MILES

    VERTICAL CLIMB: ~2,400 FEET

    VERTICAL DROP: ~2,250 FEET

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  • FRENCH PASS TO GEORGIA PASS LOOP

    LEVEL OF DIFFICULTY: DIFFICULT

    DISTANCE: 19.4 MILES

    VERTICAL CLIMB: ~3,100 FEET

    VERTICAL DROP: ~3,100 FEET

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  • CIRQUE DU SUMMIT

    LEVEL OF DIFFICULTY: INTERMEDIATE/DIFFICULT

    DISTANCE: 46.6 MILES

    VERTICAL CLIMB: ~3,700 FEET

    VERTICAL DROP: ~3,700 FEET

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  • WHEELER TRAIL

    LEVEL OF DIFFICULTY: VERY DIFFICULT

    DISTANCE: 10.3 MILES

    VERTICAL CLIMB: ~2,275 FEET

    VERTICAL DROP: ~3,425 FEET

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