The Mahoosuc Notch area is commonly known as the "hardest mile on the AT". The Appalachian Trail traverses many miles, many mountains, and many states, but this rocky section of the trail in Maine has been crowned the most difficult. The Mahoosuc Arm section stretches another mile or so up to that high point and includes a pretty rough section of trail, itself. Don't expect to do a lot of running for this stint of the Appalachian Trail!

Matthew

December 13, 2023

Hiking

The Mahoosuc Notch area is commonly known as the "hardest mile on the AT". The Appalachian Trail traverses many miles, many mountains, and many states, but this rocky section of the trail in Maine has been crowned the most difficult. The Mahoosuc Arm section stretches another mile or so up to that high point and includes a pretty rough section of trail, itself. Don't expect to move very quick for this stint of the Appalachian Trail!

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Best routes to Mahoosuc Notch and Mahoosuc Arm

1. Appalachian Trail: Mahoosuc Notch & Arm loop run — Mahoosuc Ecological preserve

14.2km

02:13

780m

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Distance 3.35 km

Uphill 510 m

Downhill 160 m

Weather

Saturday 7 February

-12°C

-22°C

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Location: Oxford County, Maine, United States

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Mahoosuc Notch and Mahoosuc Arm

1. Appalachian Trail: Mahoosuc Notch & Arm loop run — Mahoosuc Ecological preserve

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