Maryland · Rock climbing · Hydes

Positive Systems Boulder

Apr–Jun, Aug–Nov
best months

Positive Systems Boulder is a bouldering area in Maryland, about 0.2 miles from the village of Laurel Brook. It sits among several other bouldering spots in the same corner, making it an easy addition to a day spent exploring the cluster. The area holds five bouldering routes, all rated between V0- and V2 on the V scale. The easiest are No. One (V0-) and Try Something (V0+), while Sleep Cycle is the hardest at V2. The routes were first climbed by Sean Haggerty. Fall is the most comfortable time to go. Typical averages from a nearby weather station run from highs around 67°F with lows near 46°F in October to highs near 78°F with lows near 59°F in September. Fallston Boulder Garden and Hot Spot Boulder are each about 0.1 mile away, and Alien Crag is 0.2 mile off. For a walk, the Yellow Trail is 0.7 mile away.

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

    Best time to visit Positive Systems Boulder

    Best months: April–June and August–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

      42° / 25°

    2. Feb

      44° / 27°

    3. Mar

      52° / 33°

    4. Apr

      65° / 43°

    5. May

      73° / 53°

    6. Jun

      82° / 62°

    7. Jul

      86° / 68°

    8. Aug

      84° / 66°

    9. Sep

      78° / 59°

    10. Oct

      67° / 46°

    11. Nov

      56° / 37°

    12. Dec

      46° / 30°

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Aberdeen Phillips Fld, MD, 14.1 mi away at 57 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.