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Mahoosuc Notch

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Berlin Wall , The 
Main Wall, The 
Thules, The 

Mahoosuc Notch Rock Climbing 

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Location: 44.5409, -70.985 View Map  Incorrect?
Page Views: 1,457
Administrators: Jay Knower, M Sprague, lee hansche, Jeffrey.LeCours, Robert Hall, Kristine Hoffman (sitewide)
Submitted By: dave custer on Aug 14, 2010
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BETA PHOTO: topo, sunnyside


On the south side before the notch, uphill is a 60ft. cliff with three distinct (WI 4-5) flows. I went in to the notch early in the winter before the snow was deep and camped near the trail.
(description for lower Sunnyside) - to be edited-

Getting There 

After parking follow Mahoosuc Notch Trail for 2 miles to Appalachian trail and proceed 2 more miles to before the entrance to the notch. Near to here the cliff's ice flows are visible south from the trail.

Climbing Season

For the * Ice and Mixed Climbing area.

Weather station 9.8 miles from here

1 Total Climbing Routes

['4 Stars',0],['3 Stars',0],['2 Stars',1],['1 Star',0],['Bomb',0]

Featured Route For Mahoosuc Notch

Hello Strangers WI4-  NH : * Ice and Mixed Climbing : ... : Lower Sunny Side
After meeting two men at my campsite, I invited them to go ice climbing with me. I had climbing gear, a harness, rappel equipment, a rope but no screws. They accepted my offer. After leading the easiest flow on the left side, we traded off my gear and used the rope as the other harness. Our feet matched up close enough and everyone had a good time climbing it wearing my crampon climbing boots. Sustained start and grade three finish. I wouldn't venture into here when the snow is deep. Much more ...[more]   Browse More Classics in NH

Photos of Mahoosuc Notch Slideshow Add Photo
Rock Climbing Photo: Jim rappelling the left end of the main wall; lowe...
BETA PHOTO: Jim rappelling the left end of the main wall; lowe...
Rock Climbing Photo: Dan on the class act climb on the left end of the ...
BETA PHOTO: Dan on the class act climb on the left end of the ...
Rock Climbing Photo: topo, north face
BETA PHOTO: topo, north face
Rock Climbing Photo: thules on the left; the main wall wrapping around ...
BETA PHOTO: thules on the left; the main wall wrapping around ...

Comments on Mahoosuc Notch Add Comment
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By dave custer
Dec 14, 2010
Over the past decade, Dan Cousins, Dave Custer, Jim Paradis, and Susan Ruff have extensively explored the ice climbing potential of Mahoosic Notch and climbed some 40 pitches of ice in Mahoosic Notch. We find the ambiance in Mahoosic Notch to be unique and hope that the area will continue to foster a sense of adventure in those who choose to make the pilgrimage.


o The Berlin Wall A discontinuous line of ~30 meter high ice flows, grades 2-5.

o The Main Wall Up to ~800 ft. The ice is unreliable.

o The Thules This upper band of north facing cliffs presents the greatest approach challenge; grades 2-5. A lower band of thinly iced slabs provides access to the upper slabs.

o Sunnyside lower, middle, & upper: ~30 m climbs, grade 3 to 4+. Reliable & pleasant—a good bet for a chilly day.
By bradley white
From: Plymouth
Feb 27, 2013
I would really like to get all of your fun hard work up and readable with descriptions and ascents, but I don't have areas available in the choice boxes. I was at lower Sunny side.
Hey administrators, possibly we can begin over, with these folks in command of areas, since their knowledge of this region surpasses mine, please?
By M Sprague
From: New England
Feb 27, 2013
Sure, if you would like, Bradley, but it doesn't look like Dave Custer has been on for a year and a half. I could send him an email if you would like, unless you would like to.
By M Sprague
From: New England
Feb 27, 2013
Bradley, where do you park and hike in from, Success/York Pond Rd or Grafton Notch? I am looking at maps and my old AMC guide and am having a little trouble figuring out how you got in and from which side you are approaching the notch. This is actually in Maine, correct, and the climbing is on the northern side of the notch?
By Sean Kurnas
Jul 8, 2013
I've heard from some hiker friends that there are lots of boulders in the area. Does anyone know if people have bouldered here or if a reasonable potential for development exists?
By bradley white
From: Plymouth
Feb 4, 2014
Man, it was long ago. I came in from the Berlin side or at Gorham. Went east on a logging road many miles to trail head that goes to the trail to the notch. It was a few miles to where I camped and a big half mile to the notch. I didn't explore much and didn't see much, so I missed out on some nice climbs. Its okay the area description. Easy place to understand topographically.
The trail through the notch is nothing but climbing through or over boulders, they are everywhere in the notch.

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