Idaho · Rock climbing · Twin Falls

Stairs Left/North

Stairs Left/North is a climbing crag in Idaho with 22 routes.

Stairs Left/NorthPhoto: waterarchives, CC BY-SA 2.0 (via Flickr)
22 routes
V0 – V5
Bouldering

Best time to visit Stairs Left/North

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, 3.6 mi away at 3,670 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Stairs Left/North is a bouldering area in Idaho, about 4 miles from the town of McMillan. It sits among a cluster of climbing areas, with Stairs Right/South, The Alcove and Little Italy all within about a tenth of a mile. The Down Under Corridor Area and Greenroom Area are also close by, so this corner of the state's climbing country offers a compact, interconnected network of bouldering spots. The area is a bouldering destination, with 22 routes listed, all of them boulders. The grades run from V0 to V5, with the median at V1. Among the named routes are Bucket List at V0, Chocolate Crack at V1, and Left Hand Mono at V5. For timing, late spring and early fall are the most comfortable. 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. The Canyon Rim Trail is about 0.7 miles away, and the Mogensen Trail is roughly 4 miles off.

Routes (22)

Keep exploring — more climbs worth the drive

Little ItalyPhoto: waterarchives, CC BY-SA 2.0 (via Flickr)

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