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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

Good to Go
46°
Feels 45°FSummit · 5,267 ft
5:57 AM7:14 PM
CLEAR

Wind

3mph

Precip

0%

Humid

70%

Elev Δ

+3800ft

12-Hour Temp Trend

41°50°

Hourly Forecast

2 PM

☀️

50°

7mph

3 PM

☀️

50°

6mph

4 PM

⛅

50°

6mph

5 PM

☀️

50°

6mph

6 PM

☀️

49°

5mph

7 PM

☀️

45°

6mph

8 PM

⛅

44°

6mph

9 PM

⛅

43°

7mph

10 PM

⛅

43°

8mph

11 PM

⛅

41°

11mph

12 AM

⛅

41°

7mph

1 AM

⛅

41°

7mph

Summit Conditions

56°F→−10°→46°F

Wet lapse rate: 2.7°F/1,000ft · 3,767 ft gain

◎L1
Merino wool 200g base layer

Medium-weight merino regulates temp and resists odor on long days

◉L2
Grid fleece jacket

Stretchy grid fleece balances warmth and breathability on climbs

◈L3
Wind shell jacketPACK

Blocks summit wind without trapping sweat on the approach

Summit Pack List

↟Wind shell↟Light puffy (optional)↟Beanie↟Light gloves

Start Cold Tip

Start in your base + fleece. You'll warm up on the switchbacks. Pack your wind shell for the exposed ridge — wind hits different above treeline.

Trail Guide

Updated 1:29:12 PM · America/New_York

Updated Sep 1, 1:29 PM UTC

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