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An image depicting the trail International Appalachian Trail - Maine and its surrounding area.
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International Appalachian Trail - Maine

Penobscot County, Maine

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Trail length

223.5 km

Time

~9 days

Elevation Gain

2443 m

Hike Type

Multi-Day

“Trek Maine's IAT for a blend of majestic wilds and echoes of history.”

What to expect?

rivers
mountain-views

Activity types

camping
nature-trips

Frequently asked questions

How long does it take to hike the International Appalachian Trail - Maine?

The International Appalachian Trail - Maine is 223.55 km long with 2,443 m of total ascent, so it is generally approached as a multi-day backpacking route rather than a single long hike. A typical schedule is around 10 to 14 days, depending on daily mileage, weather, road access, and whether the Katahdin section is included at the start or finish.

Where does the International Appalachian Trail - Maine start and end?

The Maine section is commonly described as running between the Katahdin area and Fort Kent in northern Maine. On the southern end, hikers need to account for Baxter State Park access rules around Katahdin, and the broader IAT route continues northeast toward New Brunswick beyond Fort Kent.

Is the International Appalachian Trail - Maine hard?

The International Appalachian Trail - Maine is rated medium overall, but that still means a demanding long-distance hike with 223.55 km of travel and 2,443 m of climbing. The challenge comes less from constant steep gain and more from the route’s length, remote stretches, uneven footing, and the logistics of carrying food and gear through northern Maine.

Do I need parking reservations for the International Appalachian Trail - Maine at Katahdin?

If the International Appalachian Trail - Maine itinerary begins or ends on Katahdin via Baxter State Park, parking rules can apply at the Katahdin trailheads. Baxter State Park requires a Katahdin Trailhead Pass for vehicles using trailheads such as Katahdin Stream Campground unless the lot has remaining capacity or the party is already camping in the park the night before.

Can dogs go on the International Appalachian Trail - Maine?

Dog access on the International Appalachian Trail - Maine depends on the section being hiked. Baxter State Park, which covers the Katahdin area, does not allow pets in the park, so dogs cannot accompany hikers on that portion even if other sections outside the park may have different rules.

What is the best time of year to hike the International Appalachian Trail - Maine?

The main hiking season for the International Appalachian Trail - Maine is typically summer into early fall, when trail conditions are more stable and daylight is longer. In the Katahdin area, high-elevation trails often open only in late May or early June, and black flies are usually at their worst in early summer, so July through September is often the most practical window.

Is the International Appalachian Trail - Maine suitable for beginners?

The International Appalachian Trail - Maine is not usually considered a beginner-friendly first backpacking trip because it is a 223.55 km multi-day route through remote northern Maine. Strong navigation, food planning, weather judgment, and comfort with backcountry camping are important, even though the overall difficulty is listed as medium rather than extreme.

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