Illinois · Rock climbing · Savanna

E: Twin Sisters

E: Twin SistersPhoto: Eric Schmuttenmaer from Downers Grove, USA, CC BY-SA 2.0 (via Wikimedia Commons)
17 routes
5.5 – 5.10a
Trad · Top Rope
Apr–Oct
best months

E: Twin Sisters is a climbing area in Illinois, about 2 miles from the town of Savanna. It sits among a cluster of other climbing areas, including F: Brother Buttress, D: Open Bible and H: Indian Head, all within about a tenth of a mile. The routes here are mostly traditional, with a single top-rope option, and they range from 5.5 to 5.10 in grade. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station in Mt Carroll show May highs around 72°F and September highs around 77°F, with July peaking near 85°F. Several other climbing areas and trails are close by. Mississippi Palisades State Park Trails South is about 0.2 miles away, and the park's trails north are about 2.7 miles off. Paddlers can find the Plum River and Rush Creek within about 9 miles.

  • Best time to go · Apr–Oct

    Best time to visit E: Twin Sisters

    Best months: April–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

      31° / 11°

      9 wet

    2. Feb

      35° / 14°

      8 wet

    3. Mar

      48° / 26°

      9 wet

    4. Apr

      61° / 36°

      11 wet

    5. May

      72° / 47°

      12 wet

    6. Jun

      82° / 57°

      11 wet

    7. Jul

      85° / 60°

      9 wet

    8. Aug

      83° / 58°

      9 wet

    9. Sep

      77° / 50°

      8 wet

    10. Oct

      64° / 38°

      9 wet

    11. Nov

      48° / 27°

      8 wet

    12. Dec

      36° / 17°

      9 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mt Carroll, IL, 9 mi away at 640 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (17)