All Trails

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
33°
Feels 18°FSummit · 5,267 ft
5:42 AM7:27 PM
FREEZINGDANGEROUS WINDHYPOTHERMIA RISK

Wind

36mph

Precip

9%

Humid

99%

Elev Δ

+100ft

12-Hour Temp Trend

22°36°

Hourly Forecast

7 AM

🌫️

34°

13mph

8 AM

🌫️

35°

11mph

9 AM

🌫️

35°

11mph

10 AM

🌧️

36°

7mph

11 AM

🌧️

35°

9mph

12 PM

🌧️

34°

13mph

1 PM

🌧️

30°

14mph

2 PM

🌧️

28°

12mph

3 PM

🌧️

27°

12mph

4 PM

🌧️

25°

13mph

5 PM

🌧️

24°

14mph

6 PM

🌨️

22°

14mph

Summit Conditions

33°F0°33°F

Wet lapse rate: 2.7°F/1,000ft · 70 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 shellLight puffy (optional)BeanieLight 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.

Updated 6:46:16 AM · America/New_York

Updated Apr 19, 6:46 AM UTC

More trails in Northeast