Colorado · Rock climbing · Conifer

Aircraft Carrier Boulder

Aircraft Carrier Boulder in Colorado has 5 climbing routes ranging from bouldering to trad.

5 routes
5.8 – 5.12+
Bouldering · Trad

Best time to visit Aircraft Carrier Boulder

Best months: June–July and 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

    38° / 9°

    4 wet

  2. Feb

    40° / 10°

    5 wet

  3. Mar

    48° / 18°

    6 wet

  4. Apr

    54° / 23°

    7 wet

  5. May

    63° / 31°

    8 wet

  6. Jun

    75° / 38°

    8 wet

  7. Jul

    79° / 44°

    12 wet

  8. Aug

    77° / 43°

    13 wet

  9. Sep

    71° / 35°

    7 wet

  10. Oct

    59° / 24°

    5 wet

  11. Nov

    45° / 16°

    4 wet

  12. Dec

    37° / 9°

    4 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Bailey, CO, 11.2 mi away at 7,752 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Aircraft Carrier Boulder is a climbing area in Colorado, about a mile from the small community of Ferndale. It sits in a tight cluster of climbing spots, with other crags only a short walk away, so it fits easily into a day spent moving between nearby formations. For comfortable conditions, aim for June through September. Typical averages from the weather station at Bailey, about 11 miles away, show highs of 75 to 79°F in June and July, though July and August bring the most wet days of the year. September stays mild with highs near 71°F and fewer wet days. Winter is cold, with January highs around 38°F and lows near 9°F. The Bishop and the Cathedral Spires Area are both just 0.2 miles away for more climbing, and the Sunshine Trail and Cynical Trail start within about half a mile. For an overnight stay, Buffalo Campground is roughly 6 miles off.