Pennsylvania · Rock climbing · Philadelphia

Devil's Pool Boulder

Devil's Pool BoulderPhoto: Molly Des Jardin, CC BY 3.0 (via Wikimedia Commons)
5 routes
V2+ – V7
Bouldering
Apr–Jun, Sep–Nov
best months

Devil's Pool Boulder is a bouldering area in the Wissahickon Valley of Pennsylvania, on county land. It sits among a cluster of climbing and mountain biking spots, with Main Rock and Livezey Rock about 0.3 miles away and Valley Green about half a mile off. The area has five bouldering routes, all rated on the V scale from V2+ to V7. The hardest is "Shouting at the devil" at V7, and the easiest is "Potpourri" at V2+. The routes are all boulders, and the grades run from V2+ up to V7. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show May highs around 76°F and October highs around 68°F, while July averages about 89°F. The White Trail mountain biking route is just 0.1 mile away, and the White Trail;Orange Trail is about 0.3 mile off. Valley Green and Livezey Rock are also within half a mile.

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

    Best time to visit Devil's Pool 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

      42° / 28°

      11 wet · 3 snow

    2. Feb

      45° / 30°

      9 wet · 2 snow

    3. Mar

      53° / 36°

      10 wet · 1 snow

    4. Apr

      66° / 46°

      12 wet

    5. May

      76° / 56°

      12 wet

    6. Jun

      85° / 66°

      11 wet

    7. Jul

      89° / 71°

      10 wet

    8. Aug

      87° / 70°

      9 wet

    9. Sep

      80° / 63°

      9 wet

    10. Oct

      68° / 51°

      9 wet

    11. Nov

      56° / 41°

      9 wet

    12. Dec

      46° / 33°

      11 wet · 1 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Phila Franklin Inst, PA, 6.8 mi away at 60 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.