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

⛅ Overcast

Reconsider
45°
Feels 35°FSummit · 5,267 ft
5:04 AM8:19 PM
DANGEROUS WIND

Wind

34mph

Precip

1%

Humid

77%

Elev Δ

+3800ft

12-Hour Temp Trend

36°41°

Hourly Forecast

10 PM

⛅

40°

18mph

11 PM

⛅

39°

17mph

12 AM

🌫️

38°

17mph

1 AM

🌫️

37°

17mph

2 AM

🌫️

37°

18mph

3 AM

🌫️

36°

18mph

4 AM

🌫️

36°

18mph

5 AM

🌫️

36°

17mph

6 AM

🌫️

36°

16mph

7 AM

⛅

37°

17mph

8 AM

⛅

39°

17mph

9 AM

⛅

41°

17mph

Summit Conditions

56°F→−11°→45°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 9:46:37 PM · America/New_York

Updated Jul 19, 9:46 PM UTC

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