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Mount Adams — South Spur

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 Summit

Mount Adams — South Spur

☀️ Clear sky

Reconsider
15°
Feels -7°FSummit · 12,281 ft
6:13 AM7:57 PM
EXTREME COLDHIGH WINDHYPOTHERMIA RISK

Wind

38mph

Precip

1%

Humid

40%

Elev Δ

+0ft

12-Hour Temp Trend

14°23°

Hourly Forecast

5 AM

⛅

14°

18mph

6 AM

⛅

14°

18mph

7 AM

⛅

14°

18mph

8 AM

⛅

15°

18mph

9 AM

⛅

16°

18mph

10 AM

⛅

18°

18mph

11 AM

⛅

19°

18mph

12 PM

⛅

21°

19mph

1 PM

⛅

22°

18mph

2 PM

⛅

22°

18mph

3 PM

⛅

22°

19mph

4 PM

⛅

23°

17mph

Summit Conditions

16°F→−1°→15°F

Dry lapse rate: 5.4°F/1,000ft · 34 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.

Updated 4:07:12 AM · America/Los_Angeles

Updated Apr 19, 4:07 AM UTC

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