California · Bouldering · Twin Bridges

The Knobs

The hardest of five climbs catalogued at Gemini Boulders.

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Is The Knobs open right now?

Alert in the area

The Forest Service lists 3 alerts for Eldorado National Forest.

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

Best time to visit The Knobs

Best months: May–September. 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° / 18°

    9 wet

  2. Feb

    43° / 19°

    9 wet

  3. Mar

    48° / 24°

    10 wet

  4. Apr

    53° / 28°

    8 wet

  5. May

    62° / 33°

    7 wet

  6. Jun

    72° / 38°

    3 wet

  7. Jul

    80° / 43°

    2 wet

  8. Aug

    80° / 41°

    2 wet

  9. Sep

    73° / 35°

    3 wet

  10. Oct

    62° / 29°

    5 wet

  11. Nov

    51° / 23°

    7 wet

  12. Dec

    43° / 18°

    10 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at South Lake Tahoe Ap, CA, 8.5 mi away at 6,314 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Closures we've recorded since August 2026

  • Fire Restrictions are in Effect Forest Wide

    Eldorado National Forest · Order dated September 22, 2026; seen Aug 23, 2026, no lift recorded · Forest Service

Located in the In-Between Boulder sector at Gemini Boulders, this climb sits at the top of the grade range among the five routes catalogued at the crag.

Photo of the crag

Gemini Boulders — the crag this route is on
Gemini Boulders, California — this photo shows the crag, not this individual route.Photo: ray_explores, CC BY 2.0 (via Flickr)

Keep exploring — more climbs worth the drive