Arizona · Bouldering · Valle · Near Kachina Village

Nuclear Winter

V5
grade
Bouldering Pads
style
Jun–Jul, Sep
best months

Is Nuclear Winter open right now?

Closure in the area

There's a closure order in Coconino National Forest. It doesn't name Nuclear Winter, so check the source for the area it covers.

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

One of eight boulder problems catalogued at Northern AZ Bouldering, this climb sits in the middle of the crag's V2–V7 range within the North Korea Wall sector.

Around this trail

Add any of these when you start a trip
  • Sleep close

    Fernow Cabin

    Campground

    Campground · 2.1 mi from the trail
  • If it rains

    Gems & Minerals Building

    Museum

    Museum · 10 mi from Kachina Village

Places © OpenStreetMap contributors

More in Kachina Village
  • Nearby · Insomnia Canyon · The Overlook · Lower Pumphouse Wash
  • Best time to go · Jun–Jul, Sep

    Best time to visit Nuclear Winter

    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

      44° / 13°

      5 wet

    2. Feb

      46° / 16°

      6 wet

    3. Mar

      52° / 20°

      6 wet

    4. Apr

      59° / 25°

      4 wet

    5. May

      67° / 30°

      4 wet

    6. Jun

      78° / 36°

      4 wet

    7. Jul

      82° / 47°

      11 wet

    8. Aug

      79° / 47°

      14 wet

    9. Sep

      74° / 38°

      8 wet

    10. Oct

      64° / 28°

      6 wet

    11. Nov

      53° / 19°

      5 wet

    12. Dec

      44° / 13°

      5 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Flagstaff 4 Sw, AZ, 10 mi away at 7,125 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Keep exploring — more climbs worth the drive

Insomnia CanyonPhoto: Coconino National Forest, CC0 (via Wikimedia Commons)

Insomnia Canyon

~7 min drive

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The OverlookPhoto: InSapphoWeTrust from Los Angeles, California, USA, CC BY-SA 2.0 (via Wikimedia Commons)

The Overlook

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Lower Pumphouse WashPhoto: USDAgov, Public Domain Mark (via Flickr)

Lower Pumphouse Wash

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The PharmacyPhoto: inkknife_2000 (7.5 million views +), CC BY-SA 2.0 (via Wikimedia Commons)

The Pharmacy

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The Reception AreaPhoto: inkknife_2000 (7.5 million views +), CC BY-SA 2.0 (via Wikimedia Commons)

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The Doctor's OfficePhoto: inkknife_2000 (7.5 million views +), CC BY-SA 2.0 (via Wikimedia Commons)

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The Outpatient ClinicPhoto: inkknife_2000 (7.5 million views +), CC BY-SA 2.0 (via Wikimedia Commons)

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Switchbacks OverlookPhoto: Coconino National Forest, CC BY-SA 2.0 (via Wikimedia Commons)

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The Snort WallPhoto: On^ste82, CC BY 3.0 (via Wikimedia Commons)

The Snort Wall

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