California · Bouldering · Yosemite National Park

Big Flapper

Entry-level problem in Yosemite Valley's Northside Road Trail Bouldering sector.

V0
grade
Bouldering Pads
style

Is Big Flapper open right now?

No closures listed

The National Park Service lists no closures for Yosemite National Park.

As of · Source: NPS · Yosemite National Park. Agencies don't list every closure — check before you go.

Best time to visit Big Flapper

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

    48° / 29°

    9 wet

  2. Feb

    51° / 30°

    9 wet

  3. Mar

    57° / 33°

    10 wet

  4. Apr

    63° / 38°

    8 wet

  5. May

    70° / 45°

    6 wet

  6. Jun

    80° / 51°

    3 wet

  7. Jul

    89° / 57°

    1 wet

  8. Aug

    89° / 57°

    1 wet

  9. Sep

    83° / 51°

    2 wet

  10. Oct

    71° / 41°

    3 wet

  11. Nov

    56° / 32°

    6 wet

  12. Dec

    46° / 28°

    8 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Yosemite Park Hq, CA, 4.2 mi away at 4,018 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 29 boulder problems catalogued at Yosemite Valley Bouldering, this climb sits at the entry level of the Northside Road Trail Bouldering sector's V0 to V12 range.

Photo of the crag

* Yosemite Valley Bouldering — the crag this route is on
* Yosemite Valley Bouldering, California — this photo shows the crag, not this individual route.Photo: Bala from Seattle, USA, CC BY 2.0 (via Wikimedia Commons)

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