Maryland · Rock climbing · Burnt Mills

North Bank - Chaos Roof Area AKA Snowflake Boulder

12 routes
V0 – V10
Bouldering
Apr–Jun, Sep–Nov
best months

North Bank - Chaos Roof Area, also known as Snowflake Boulder, is a bouldering area in Maryland, about 0.3 miles from the community of Burnt Mills. It sits among a cluster of climbing spots, with Fin Boulder and North Bank - Suspended Boulder just 0.1 mile away, and South Bank - Tick Area and the Copperhead Run Trail at a similar distance. The area is a bouldering destination, with 12 routes spread across the boulder. The grades range from V0 to V10, with the median around V3+. Among the named routes are The Floating Pyramid at V0, Bloody Famous at V5, and Ultimate Doom at V10. For comfortable weather, aim for late spring or early fall. Typical averages from the nearby Beltsville weather station show May highs around 74°F and September highs near 79°F, with July peaking at about 87°F. Paddlers can reach the Northwest Branch Anacostia River about 3.6 miles away, and Greenbelt Park Picnic Areas offers camping roughly 6.7 miles off.

  • Best time to go · Apr–Jun, Sep–Nov

    Best time to visit North Bank - Chaos Roof Area AKA Snowflake Boulder

    Best months: April–June and September–November. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

    1. Jan

      43° / 25°

      10 wet

    2. Feb

      45° / 27°

      9 wet

    3. Mar

      53° / 34°

      10 wet

    4. Apr

      65° / 44°

      11 wet

    5. May

      74° / 54°

      11 wet

    6. Jun

      83° / 63°

      10 wet

    7. Jul

      87° / 68°

      10 wet

    8. Aug

      86° / 66°

      9 wet

    9. Sep

      79° / 59°

      8 wet

    10. Oct

      68° / 47°

      9 wet

    11. Nov

      57° / 37°

      9 wet

    12. Dec

      47° / 30°

      10 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Beltsville, MD, 3.9 mi away at 145 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (12)

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