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Mount Adams — South Spur

Pacific NW · 46.202, -121.491

Washington's second highest peak. Non-technical glacier climb via South Spur. 12 miles round trip with 6,700 ft gain. Crampons and ice axe required.

StrenuousPacific NW12,281 ftOpen SummitAlpineScrambleSummit views

Mount Adams — South Spur

☀️ Clear sky

Reconsider
15°
Feels -1°FSummit · 12,281 ft
5:16 AM8:52 PM
EXTREME COLD

Wind

18mph

Precip

0%

Humid

3%

Elev Δ

+6700ft

12-Hour Temp Trend

10°25°

Hourly Forecast

3 PM

☀️

24°

2mph

4 PM

☀️

24°

3mph

5 PM

☀️

25°

4mph

6 PM

☀️

24°

8mph

7 PM

☀️

22°

12mph

8 PM

☀️

21°

14mph

9 PM

⛅

20°

16mph

10 PM

☀️

19°

18mph

11 PM

☀️

14°

21mph

12 AM

☀️

12°

21mph

1 AM

☀️

11°

22mph

2 AM

☀️

10°

21mph

Summit Conditions

51°F→−36°→15°F

Dry lapse rate: 5.4°F/1,000ft · 6,681 ft gain

◎L1
Expedition-weight merino base

320g+ merino top and bottom — maximum warmth next to skin

◉L2
Heavy fleece + light puffy

Double mid-layer system for extreme insulation

◈L3
Expedition down parka

Heavy fill-power down or synthetic expedition jacket

◆L4
Hardshell jacket + pants

Full hardshell system — top and bottom protection mandatory

Summit Pack List

↟Expedition mittens↟Balaclava↟Ski goggles↟Chemical warmers (hands + toes)↟Emergency bivy↟Thermos with hot drink

Start Cold Tip

At these temperatures, DO NOT start cold. Wear full layers from the trailhead. Exposed skin risks frostbite in minutes. Turn back if conditions deteriorate.

Trail Guide

Updated 2:33:29 PM · America/Los_Angeles

Updated Jun 4, 2:33 PM UTC

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