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Mount Katahdin — Knife Edge

Northern terminus of the Appalachian Trail. The Knife Edge is a mile-long exposed ridge with 3-foot-wide sections and 2,000 ft drops.

StrenuousNortheast5,267 ftExposed Ridge

Mount Katahdin — Knife Edge

🌫️ Fog

Reconsider
29°
Feels 11°FSummit · 5,267 ft
5:42 AM7:27 PM
EXTREME COLDDANGEROUS WINDHYPOTHERMIA RISK

Wind

38mph

Precip

7%

Humid

100%

Elev Δ

+100ft

12-Hour Temp Trend

25°36°

Hourly Forecast

5 AM

🌫️

35°

14mph

6 AM

🌫️

35°

13mph

7 AM

🌧️

35°

11mph

8 AM

🌧️

35°

8mph

9 AM

🌧️

35°

11mph

10 AM

🌧️

36°

8mph

11 AM

🌧️

35°

10mph

12 PM

🌧️

34°

14mph

1 PM

🌧️

30°

14mph

2 PM

🌧️

26°

13mph

3 PM

🌧️

26°

12mph

4 PM

🌨️

25°

12mph

Summit Conditions

29°F→−0°→29°F

Wet lapse rate: 2.7°F/1,000ft · 70 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.

Updated 4:07:11 AM · America/New_York

Updated Apr 19, 4:07 AM UTC

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