Maryland · Rock climbing · Windsor Mill

Frameshift Boulder

7 routes
V0 – V6
Bouldering
Apr–Jun, Aug–Nov
best months

Frameshift Boulder is a bouldering area in Maryland, sitting about 0.1 mile from the town of Hollofield. It is a compact cluster of boulders with seven routes, all rated on the V scale from V0 to V6, and the boulders are the main draw here. The most comfortable months for a visit are late spring and early fall. Typical averages from a nearby weather station in Cylburn run from highs around 73°F in May to about 77°F in September, with July the warmest at about 86°F. The boulders at Alberton Boulders lie just 0.1 mile away, and Alberton Rock is about half a mile off. For a walk, Schools Out Loop is under a mile away, and Patapsco Valley State Park is about 2.5 miles away.

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

    Best time to visit Frameshift 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° / 27°

    2. Feb

      46° / 28°

    3. Mar

      54° / 34°

    4. Apr

      66° / 45°

    5. May

      73° / 55°

    6. Jun

      82° / 64°

    7. Jul

      86° / 69°

    8. Aug

      84° / 67°

    9. Sep

      77° / 60°

    10. Oct

      66° / 49°

    11. Nov

      56° / 39°

    12. Dec

      46° / 31°

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Cylburn, MD, 8 mi away at 235 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (7)

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