Illinois · Rock climbing · Simpson · Near Goreville

Optical Conclusion

5.12a
grade
Sport Bolted
style
Mar–Jun, Sep–Nov
best months

One of eight routes catalogued at South Canyon's Industry Wall, this climb sits in the middle of the crag's 5.10a to 5.13a range. First ascent by Eric Heuermann 2004.

Around this trail

Add any of these when you start a trip
  • Sleep close

    Primitive Campsite Jackson Falls

    Campground

    Campground · 0.4 mi from the trail
  • Eat after

    Subway

    Fast food

    Open after 6
  • If it rains

    Water Fall

    Attraction

    In town

Places © OpenStreetMap contributors

More in Goreville
  • Best time to go · Mar–Jun, Sep–Nov

    Best time to visit Optical Conclusion

    Best months: March–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

      43° / 25°

      8 wet

    2. Feb

      49° / 29°

      8 wet

    3. Mar

      59° / 37°

      9 wet

    4. Apr

      70° / 46°

      10 wet

    5. May

      77° / 56°

      10 wet

    6. Jun

      85° / 63°

      8 wet

    7. Jul

      88° / 66°

      7 wet

    8. Aug

      87° / 65°

      7 wet

    9. Sep

      82° / 57°

      6 wet

    10. Oct

      71° / 46°

      7 wet

    11. Nov

      57° / 37°

      8 wet

    12. Dec

      46° / 29°

      9 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Dixon Springs Agric Ctr, IL, 4.6 mi away at 527 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.