Pennsylvania · Bouldering · Portersville

Middle Edge

V3
grade
Bouldering Pads
style
Aug–Sep
best months

One of eight climbs catalogued at Birthday Boulder, this route sits in the middle of the crag's V0+ to V5 range. First ascent by Bob Value 1992.

  • Nearby · Rappel Rock · Island Block · Hidden in Plain Sight
  • Best time to go · Aug–Sep

    Best time to visit Middle Edge

    Best months: August–September. 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

      33° / 17°

      16 wet

    2. Feb

      37° / 18°

      14 wet

    3. Mar

      46° / 25°

      14 wet

    4. Apr

      59° / 35°

      14 wet

    5. May

      69° / 45°

      15 wet

    6. Jun

      77° / 54°

      14 wet

    7. Jul

      81° / 58°

      13 wet

    8. Aug

      80° / 56°

      12 wet

    9. Sep

      74° / 50°

      11 wet

    10. Oct

      61° / 39°

      13 wet

    11. Nov

      49° / 31°

      13 wet

    12. Dec

      38° / 23°

      15 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Slippery Rock 1 Ssw, PA, 9.2 mi away at 1,260 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

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Rappel RockPhoto: Doug Kerr from Albany, NY, United States, CC BY-SA 2.0 (via Wikimedia Commons)

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Island BlockPhoto: Doug Kerr from Albany, NY, United States, CC BY-SA 2.0 (via Wikimedia Commons)

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