Pennsylvania · Rock climbing · Dunbar

Main Block

5 routes
5.6 – 5.12a
Trad · Top Rope
Aug–Oct
best months

Main Block is a climbing area on State Game Land 051 in Pennsylvania, managed by State Fish and Wildlife. It sits among several other named climbing areas, with Mungo Jelly Block, Lickmaster Block and The Knobs (Rob's Knob) all about 0.1 mile away. The area has five routes, four of which are trad and one is top rope. Grades run from 5.6 up to 5.12a, with the hardest route, Pinch Me I'm Dreaming, at 5.12a. The top rope route, Grim Whitman, is 5.11d. Summer is the most comfortable time to climb. Typical averages from a nearby weather station show July highs around 79°F with lows near 55°F, while January highs average about 34°F. Kentuck Campground is about 4.9 miles away, and the Pimo Rocks Trail is about 2.3 miles off. Redstone Creek, a paddling spot, is about 7.9 miles away.

  • Best time to go · Aug–Oct

    Best time to visit Main Block

    Best months: August–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

      34° / 15°

      20 wet

    2. Feb

      38° / 16°

      17 wet

    3. Mar

      48° / 23°

      17 wet

    4. Apr

      61° / 33°

      16 wet

    5. May

      69° / 43°

      15 wet

    6. Jun

      75° / 52°

      13 wet

    7. Jul

      79° / 55°

      13 wet

    8. Aug

      77° / 54°

      12 wet

    9. Sep

      71° / 47°

      11 wet

    10. Oct

      61° / 36°

      12 wet

    11. Nov

      49° / 27°

      14 wet

    12. Dec

      39° / 20°

      18 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Chalk Hill 2 Ene, PA, 5 mi away at 1,980 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (5)