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

Good to Go
45°
Feels 40°FSummit · 5,267 ft
4:47 AM8:21 PM
CLEAR

Wind

11mph

Precip

0%

Humid

47%

Elev Δ

+3800ft

12-Hour Temp Trend

51°61°

Hourly Forecast

10 AM

☀️

55°

14mph

11 AM

☀️

57°

15mph

12 PM

☀️

59°

15mph

1 PM

☀️

60°

16mph

2 PM

⛅

61°

15mph

3 PM

⛅

61°

15mph

4 PM

⛅

60°

15mph

5 PM

⛅

60°

15mph

6 PM

⛅

58°

15mph

7 PM

⛅

55°

15mph

8 PM

⛅

52°

16mph

9 PM

⛅

51°

16mph

Summit Conditions

65°F→−20°→45°F

Dry lapse rate: 5.4°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 9:22:25 AM · America/New_York

Updated Jun 4, 9:22 AM UTC

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