All Trails

Humphreys Peak

Flagstaff, AZ · 35.346, -111.678

Arizona's highest point. 10 miles round trip with 3,333 ft gain through alpine tundra. Above treeline for the final mile. Winter conditions October–May.

StrenuousSouthwest12,633 ftAlpineSummitSummit views

Humphreys Peak

⛅ Overcast

Reconsider
25°
Feels 6°FSummit · 12,633 ft
6:34 AM5:48 PM
EXTREME COLDDANGEROUS WINDHYPOTHERMIA RISK

Wind

44mph

Precip

0%

Humid

36%

Elev Δ

+3300ft

12-Hour Temp Trend

27°35°

Hourly Forecast

2 PM

⛅

35°

13mph

3 PM

⛅

34°

12mph

4 PM

⛅

34°

12mph

5 PM

⛅

32°

11mph

6 PM

⛅

30°

13mph

7 PM

⛅

29°

15mph

8 PM

⛅

29°

16mph

9 PM

⛅

30°

15mph

10 PM

⛅

29°

15mph

11 PM

⛅

28°

15mph

12 AM

⛅

27°

16mph

1 AM

⛅

28°

13mph

Summit Conditions

43°F→−18°→25°F

Dry lapse rate: 5.4°F/1,000ft · 3,333 ft gain

◎L1
Heavyweight merino wool base

250g+ merino top and bottom — your foundation against the cold

◉L2
Insulated grid fleece

Heavy fleece or light synthetic puffy for active insulation

◈L3
Down or synthetic puffy jacketPACK

Pack this — put it on at summit stops and exposed ridgelines

◆L4
Waterproof hardshell jacketPACK

3L waterproof/windproof for summit protection against wind and snow

Summit Pack List

↟Insulated puffy↟Hardshell jacket↟Insulated gloves↟Warm beanie↟Neck gaiter / balaclava↟Hand warmers

Start Cold Tip

Start in your base + fleece. You'll warm up on the switchbacks. Pack your puffy for the summit — standing still in wind at 20°F drops your core temp fast.

Trail Guide

Updated 1:05:16 PM · America/Phoenix

Updated Oct 17, 1:05 PM UTC

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