Idaho · Rock climbing · Twin Falls

Dierkes Lake

Dierkes Lake in Idaho has 5 climbing routes across 4 grades, offering sport and trad options.

5 routes
5.8+ – 5.12d
Sport · Trad

Best time to visit Dierkes Lake

Best months: March–June and September–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

    40° / 22°

    8 wet

  2. Feb

    46° / 25°

    7 wet

  3. Mar

    56° / 32°

    7 wet

  4. Apr

    63° / 36°

    8 wet

  5. May

    73° / 45°

    8 wet

  6. Jun

    81° / 52°

    5 wet

  7. Jul

    92° / 58°

    2 wet

  8. Aug

    91° / 56°

    3 wet

  9. Sep

    80° / 47°

    3 wet

  10. Oct

    67° / 37°

    5 wet

  11. Nov

    51° / 28°

    7 wet

  12. Dec

    40° / 23°

    9 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Twin Falls-Kmvt, ID, 3.8 mi away at 3,670 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Dierkes Lake is a climbing area in Idaho, about 4 miles from the town of McMillan. It sits among several other climbing spots, so it works well as a base for exploring the cluster of bouldering and rock climbing in the area. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station in Twin Falls show May highs around 73°F and September highs around 80°F, while July and August average in the low 90s. Hidden Cliff, North Shore and Skunk Cave are all about a tenth of a mile away, and Dierkes Lake Bouldering is about 0.2 miles off. For a walk, the Canyon Rim Trail is under a mile away.

Routes (5)

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