Illinois · Rock climbing · Simpson · Near Goreville

On Thin Ice

5.11a
grade
Sport Bolted
style
Mar–Jun, Sep–Nov
best months

Is On Thin Ice open right now?

Closure in the area

There's a closure order in Shawnee National Forest. It doesn't name On Thin Ice, so check the source for the area it covers (3 listed).

As of · Source: USFS · Shawnee National Forest. Agencies don't list every closure — check before you go.

One of eight routes catalogued at Main Pool, this climb sits in the middle of the crag's range. First ascent by Phillip Carrier.

Around this trail

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

    Primitive Campsite Jackson Falls

    Campground

    Campground · 0.1 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
  • Nearby · Jackson Falls · Wizard Wall · North Falls
  • Best time to go · Mar–Jun, Sep–Nov

    Best time to visit On Thin Ice

    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, 4.8 mi away at 527 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.