Cancel Search
  • Search by
  • MAP

    The Dirty Bismark

    Boulder, Colorado

    The Dirty Bismark

    Share photos of The Dirty Bismark Trail
    Terrible!
    Start your trip report for The Dirty Bismark Trail
    Attach photos from your trip.
    Please Select a star rating.

    Trail Information

    Boulder
    Nearby City
    14
    Distance
    Out-and-back
    Trail Type
    Easy to Difficult
    Technical Difficulty
    Easy to Difficult
    Physical Difficulty
    Rolling hills. Rocky singletrack, smooth widetrack, and some dirt road sections. Significant technical challenges are few and far between.
    Terrain
    1–2 hours
    Duration
    Year-round
    Season
    USGS Quad Louisville
    Local Maps

    0 Members Completed

    I've done this

    Trail Log