California · Rock climbing · Chatsworth

Cowline on the Boil

Mid-range climb among 11 routes at Nabisco Canyon.

5.9
grade
Sport Bolted
style

Best time to visit Cowline on the Boil

Best months: October–June. 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

    67° / 47°

    6 wet

  2. Feb

    68° / 47°

    7 wet

  3. Mar

    71° / 49°

    5 wet

  4. Apr

    75° / 52°

    3 wet

  5. May

    78° / 56°

    1 wet

  6. Jun

    84° / 60°

    1 wet

  7. Jul

    90° / 64°

    0 wet

  8. Aug

    92° / 64°

    0 wet

  9. Sep

    89° / 62°

    1 wet

  10. Oct

    82° / 56°

    2 wet

  11. Nov

    74° / 50°

    4 wet

  12. Dec

    67° / 46°

    6 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Northridge Cal State, CA, 4.9 mi away at 904 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 11 routes catalogued at Nabisco Canyon, this climb sits in the middle of the crag's range between 5.7 and 5.12a.

Photo of the crag

Nabisco Canyon — the crag this route is on
Nabisco Canyon, California — this photo shows the crag, not this individual route.Photo: Oran Viriyincy, CC BY-SA 2.0 (via Flickr)

Keep exploring — more climbs worth the drive