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Railroad in New England (1836–1983)

AT — Mahoosuc Notch and Range

The 'hardest mile on the AT' — a boulder-choked notch and steep gulf-and-peak topography.

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Region
Maine / New Hampshire, USA
Country
United States
Biome
Northern hardwood alpine (500–1,300 m)
Best season
June – October
Difficulty
moderate
Known for
  • Backpacking
  • Hiking
  • Climbing
  • Mountaineering
  • Winter Camping
  • Skiing

Key takeaways

  • Biome: Northern hardwood alpine (500–1,300 m)
  • Best season: June – October
  • Difficulty: moderate
  • Top activity: backpacking
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Photos of AT — Mahoosuc Notch and Range

The Boston and Maine Railroad was a U.S. Class I railroad in northern New England. It was chartered in 1835, and became part of what was the Pan Am Railways network in 1983, most of which was purchase
Photo: Wikipedia contributors · See Wikimedia Commons

Topic summary

The 'hardest mile on the AT' — a boulder-choked notch and steep gulf-and-peak topography.

Key takeaways

  • Difficulty: moderate
  • Best season: June – October

Intended uses

backpacking

Climate suitability

Northern hardwood alpine (500–1,300 m)

Region
United States
Biome
Northern hardwood alpine (500–1,300 m)
Difficulty
moderate

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AT — Mahoosuc Notch and Range trip tools

How to get there

Plan around Shelburne, New Hampshire, and Grafton Notch, Maine, the named ends of the Appalachian Trail’s main-ridge traverse of the Mahoosucs. Confirm the exact trail access and transport arrangements for the chosen itinerary before departure.

  • Shelburne, New Hampshire

    New Hampshire end of the Appalachian Trail’s main-ridge traverse through the Mahoosuc Range. Establish the specific trail access before traveling.

  • Grafton Notch, Maine

    Maine end of the Appalachian Trail’s traverse of the Mahoosuc main ridge. Grafton Notch State Park contains part of the range.

Sources: Wikipedia · Wikivoyage. Confirm road and trailhead conditions with the managing agency before you leave.

Popular pursuits at AT — Mahoosuc Notch and Range

  • Backpacking

    Multi-day travel with everything on your back — see the packing blocks below.

  • Hiking

    Day miles on marked trail, with route notes and trail links below.

  • Climbing

    Rock and alpine lines with approach beta.

  • Mountaineering

    Glacier and high-route objectives with real consequence.

  • Winter Camping

    Cold-season travel and camp craft; layering matters more than mileage.

  • Skiing

    Ski-touring access when the road closes for the season.

Animals around AT — Mahoosuc Notch and Range

Browse all wildlife guides →

Maps, GPS & compass for this trip

Carry a waterproof paper map and a compass you can steer by, and treat the GPS as the backup — not the other way round. Buying links go to Amazon; Wild10 earns a commission at no cost to you.

Fishing at AT — Mahoosuc Notch and Range

Planning to fish AT — Mahoosuc Notch and Range, Maine? Fishing licenses, open seasons and catch limits in Maine are set by the local wildlife authority and change every year — check the official source before you cast a line.

Do I need a fishing license at AT — Mahoosuc Notch and Range?

  • A Maine fishing license is normally required for anyone over the local youth age.
  • Read the current Maine fishing regulations for special waters, barbless-hook or catch-and-release rules.
  • Clean, drain and dry boats and gear between waters to stop invasive species.

Hunting near AT — Mahoosuc Notch and Range

Thinking about hunting AT — Mahoosuc Notch and Range, Maine? Hunting seasons, tags and draws in Maine are set by the wildlife authority each year. Confirm the rules for your species and unit before you go.

Is hunting allowed at AT — Mahoosuc Notch and Range?

  • Confirm the land around AT — Mahoosuc Notch and Range is open to hunting and which management unit it falls in.

What do I need to hunt in Maine?

  • A Maine hunting license — most jurisdictions also require hunter education certification.
  • Species tags or draw results for big game such as deer, elk, moose or bear where they occur.
  • Knowledge of firearm and bow transport rules, which differ by land type and border crossing.

A border range on the Appalachian Trail

The Mahoosuc Range extends the White Mountains northward across the New Hampshire–Maine border. The Appalachian Trail follows its main ridge between Shelburne, New Hampshire, and Grafton Notch, Maine, giving this destination a clear organizing line: a mountain traverse rather than a single viewpoint or summit. Old Speck Mountain is the range’s highest peak at 4,170 feet and the fifth-highest peak in Maine. Substantial portions of the range lie within the National Park Service Appalachian Trail corridor and Grafton Notch State Park. For trip planning, distinguish the full ridge journey from a visit focused on Mahoosuc Notch. They share the same mountain setting, but the notch is one particular section within the broader range, not another name for the entire traverse.

Mahoosuc Notch: plan around difficulty

Mahoosuc Notch cuts a deep cleft through the middle of the range between Mahoosuc Mountain and Fulling Mill Mountain. It is considered one of the most difficult sections of the Appalachian Trail, making it the central planning concern for an itinerary that passes through it. Treat that reputation as a reason to leave time and energy in reserve, rather than as a challenge to keep an ordinary trail pace. Choose a plan that suits the least experienced member of the group, and avoid making onward commitments depend on a fast passage. The distinction between the ridge and the notch matters here: a route through the Mahoosucs should be assessed section by section, with particular attention to whether it includes this demanding cleft.

Build the itinerary before setting out

Begin by deciding whether the goal is the main-ridge Appalachian Trail traverse or a trip centered on Mahoosuc Notch. Shelburne and Grafton Notch are the named ends of the ridge traverse; they should not be treated as interchangeable approaches to the middle of the range. Use a current trail map to establish the actual approach, exit, and transport arrangements before committing to either plan. The range’s mountain setting calls for weather-aware decisions, suitable layers, and enough food and water for a slower day than expected. Old Speck provides a useful geographical reference at the high end of the range, but its elevation alone does not define the difficulty of a Mahoosuc trip. The notch’s demanding terrain deserves separate consideration when choosing the day’s objective.

Route options

  • Appalachian Trail main-ridge traverse

    Follow the Appalachian Trail along the Mahoosuc main ridge between Shelburne and Grafton Notch. Plan approaches, exits, and endpoint transport as part of the itinerary.

  • Mahoosuc Notch sectionConsidered one of the most difficult sections of the Appalachian Trail.

    Focus on the Appalachian Trail section through the deep cleft between Mahoosuc Mountain and Fulling Mill Mountain. This is a section objective, not a complete access itinerary; establish an approach and exit using a current trail map.

Sample itineraries

  • Mahoosuc Notch scouting day · 1 day

    Focus on Mahoosuc Notch, the deep cleft between Mahoosuc Mountain and Fulling Mill Mountain. Treat this as a flexible out-and-back objective rather than a guaranteed crossing. Confirm the approach and current conditions before setting out; this is considered one of the Appalachian Trail's most difficult sections.

  • Two-day Mahoosuc ridge sampler · 2 days

    Plan a limited section of the Appalachian Trail along the main Mahoosuc ridge, which runs between Shelburne and Grafton Notch. Select your start, finish and legal overnight location after checking access and camping rules. Two days is a planning framework, not an estimate for traversing the entire range.

Seasonal conditions

Spring

Spring; verify mountain conditions

Plan for possible lingering snow, ice and wet footing in this northern mountain range. Difficult terrain can become less forgiving when wet or frozen. Let current conditions, rather than the calendar, determine whether to attempt the notch.

Summer

Summer; check the forecast before departure

Allow generous time for the demanding notch and ridge terrain. Carry water, rain protection and an insulating layer; summer does not remove the need to prepare for changing mountain weather.

Fall

Fall; plan around available daylight

Shortening days leave less margin for slow travel through the notch. Prepare for colder weather and potentially slippery footing. Set an early turnaround time rather than relying on a routine trail pace.

Winter

Winter; assess snow and ice before committing

Snow, ice and cold can compound the difficulty of an already demanding Appalachian Trail section. Match equipment and experience to actual conditions, and choose a less committing objective if footing or weather exceeds your capabilities.

Permits, fees & closures

Confirm current access, camping and permit requirements with the managing agency for your route through the Appalachian Trail corridor or Grafton Notch State Park.

Confirm current permits, fees, and closures with the managing agency before you go.

Hazards & regulations

  • Mahoosuc Notch is considered one of the Appalachian Trail's most difficult sections; ordinary trail pace is not a reliable planning assumption.
  • Wet, icy or snowy footing can increase the difficulty of the notch and mountain ridge.
  • Changing mountain weather can make a demanding route harder to complete safely.
  • Running out of daylight is a concern when difficult terrain slows progress; carry a headlamp and maintain a turnaround margin.

What to pack for AT — Mahoosuc Notch and Range

Navigation and planning
  • Detailed route map
  • Compass or offline navigation
  • Confirmed access and overnight plan
  • Headlamp and spare power
Mountain clothing and footing
  • Footwear suited to difficult terrain
  • Rain shell
  • Insulating layer
  • Condition-appropriate traction when snow or ice is present
Food and contingency supplies
  • Water and a treatment method
  • Food with an extra margin for slow travel
  • First-aid kit
  • Emergency shelter

Build this list in the gear builder →

AT — Mahoosuc Notch and Range FAQ

Where is the Mahoosuc Range?
The range straddles Maine and New Hampshire and forms a northern extension of the White Mountains. Substantial portions lie within the National Park Service Appalachian Trail corridor and Maine's Grafton Notch State Park.
Where does the Appalachian Trail run through the range?
The Appalachian Trail traverses the main ridge between Shelburne, New Hampshire, and Grafton Notch, Maine. Confirm exact trail access and a route suited to your available time before traveling.
What makes Mahoosuc Notch notable?
It cuts a deep cleft between Mahoosuc Mountain and Fulling Mill Mountain and is considered one of the Appalachian Trail's most difficult sections. Give difficulty, daylight and turnaround options more weight than a typical hiking pace.
What is the highest peak in the range?
Old Speck Mountain is the highest peak at 4,170 feet (1,270 meters). It is Maine's fifth-highest peak.
Can the whole range be completed in the suggested two days?
The two-day suggestion is for a limited ridge section, not a full-range traverse. Choose the scope only after confirming route details, current conditions, legal overnight options and the group's ability on demanding terrain.