
AT — 100-Mile Wilderness
The 100-mile stretch of the Appalachian Trail through Maine's North Woods to Katahdin.
Where on earth
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- Region
- Maine, USA
- Country
- United States
- Biome
- Boreal forest (300–1,300 m)
- Best season
- June – September
- Difficulty
- moderate
Known for
- Backpacking
- Hiking
- Wildlife Viewing
Key takeaways
- Biome: Boreal forest (300–1,300 m)
- Best season: June – September
- Difficulty: moderate
- Top activity: backpacking
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Topic summary
The 100-mile stretch of the Appalachian Trail through Maine's North Woods to Katahdin.
Key takeaways
- Difficulty: moderate
- Best season: June – September
Intended uses
backpacking
Climate suitability
Boreal forest (300–1,300 m)
Verification notes
Last verified January 1, 1970.
Region
United States
Biome
Boreal forest (300–1,300 m)
Difficulty
moderate
Plan with verified data
AT — 100-Mile Wilderness trip tools
Popular pursuits at AT — 100-Mile Wilderness
- 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.
- Wildlife Viewing
Best light, best season, and where animals move.






