All Trails

Mount Katahdin — Knife Edge

Northeast Piscataquis, ME · 45.904, -68.921

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 ridgeSummitScrambleSummit viewsHistoric

Mount Katahdin — Knife Edge

☀️ Clear sky

Reconsider
24°
Feels 9°FSummit · 5,267 ft
6:56 AM5:44 PM
EXTREME COLDWINDYHYPOTHERMIA RISK

Wind

22mph

Precip

0%

Humid

82%

Elev Δ

+3800ft

12-Hour Temp Trend

25°27°

Hourly Forecast

5 PM

☀️

26°

11mph

6 PM

☀️

26°

12mph

7 PM

🌫️

26°

12mph

8 PM

⛅

25°

13mph

9 PM

☀️

25°

14mph

10 PM

☀️

26°

15mph

11 PM

☀️

26°

17mph

12 AM

☀️

27°

17mph

1 AM

☀️

27°

17mph

2 AM

☀️

26°

16mph

3 AM

☀️

27°

14mph

4 AM

☀️

27°

12mph

Summit Conditions

34°F→−10°→24°F

Wet lapse rate: 2.7°F/1,000ft · 3,767 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 4:01:10 PM · America/New_York

Updated Oct 18, 4:01 PM UTC

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