Pennsylvania · Rock climbing · Cooke Township

Tumbling Run

8 routes
V0 – V10+
Bouldering
Apr, Jun–Oct
best months

Tumbling Run is a bouldering area in Michaux State Forest in Pennsylvania, managed by the State Department of Natural Resources. It is a cluster of boulder problems rather than a route-based climbing area, and all eight of its named routes are boulders. The climbing here runs from the low end of the V scale up to V10+. The easiest is Pine slab at V0-, and the hardest is Dark Crystal at V10+. The median grade is V4, so the area suits climbers of all levels, from those working on the basics to those pushing for harder moves. Summer is the warmest stretch for a visit. Typical averages from a nearby weather station show July highs around 81°F with lows near 62°F, while winter highs stay in the 30s and 40s. Walnut Bottom, another climbing area, is about 2.7 miles away. For mountain biking, Fegley Road and Gilbert Road are both within about 6 miles. Hammond Rocks, a climbing area, is about 6.2 miles off.

  • Best time to go · Apr, Jun–Oct

    Best time to visit Tumbling Run

    Best months: April and June–October. 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

      36° / 21°

      10 wet

    2. Feb

      39° / 21°

      9 wet

    3. Mar

      46° / 28°

      11 wet

    4. Apr

      59° / 38°

      12 wet

    5. May

      69° / 49°

      13 wet

    6. Jun

      77° / 57°

      11 wet

    7. Jul

      81° / 62°

      11 wet

    8. Aug

      79° / 60°

      11 wet

    9. Sep

      73° / 53°

      10 wet

    10. Oct

      61° / 43°

      10 wet

    11. Nov

      50° / 33°

      9 wet

    12. Dec

      40° / 26°

      10 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at S Mtn, PA, 14.6 mi away at 1,520 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (8)

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Hammond Rocks

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