About This Route
Mahoosuc Notch, Maine's 'knee of the dragon,' and the subsequent Mahoosuc Arm scramble form a 5-mile AT gauntlet with house-sized boulders, wet caves, and a 1,800-foot vertical Arm ascent. From Gentian Pond to Speck Pond, it's the trail's toughest mile, demanding upper-body strength for chimney moves.
Safety Considerations
Bouldering risks sprains, falls; remove packs for notches, link with hikers. Arm's slabby steepness slicks in rain. Black flies June; moose active. ATC rates it expert-only; time for 4-8 hours. Hypothermia in caves; dry layers essential.
Essential Gear
Helmet, gloves (Petzl Cordex), knee pads, headlamp for caves, extra socks.