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Hiking in Fourth Mountain, Maine: trails, map and practical info

Maine Highlands • Maine

4.0 Appreciated by 33 hikers
François Dumaine
By François DumaineContributor since 2015Updated 01/04/2026
Difficulty
Easy
Distance
6 km
Elevation
726 m
Duration
2h45
Max altitude
1,219 m

Part of Maine's legendary 100-Mile Wilderness, this easy trail climbs 726 meters to Fourth Mountain's 2,383-foot summit in the Maine Highlands. Expect 6 to 8 hours of well-marked paths through lush forests with panoramic views reaching Mount Katahdin.

Recommended for :
Beginners

Ready to explore Fourth Mountain, Maine? Here's everything you need to know before you go!

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Trail description

Description

Fourth Mountain rises 2,383 feet above the Maine wilderness as part of the legendary 100-Mile Wilderness, offering hikers a moderately challenging climb with exceptional payoffs at the summit. This peak delivers the kind of panoramic mountain views that make Maine's backcountry famous, including potential glimpses of Mount Katahdin on clear days.

The mountain sits in a particularly wild section of Maine's highlands, where the forest feels untouched and the silence runs deep. Unlike some of the more crowded peaks in the region, Fourth Mountain maintains that sense of remoteness that serious hikers seek. The 726-meter elevation gain provides a solid workout without being overwhelming, making this an excellent choice for hikers looking to step up from easier trails or experienced hikers wanting a satisfying day out without an epic commitment.

The Trail Experience

The well-marked trail winds steadily upward through dense Maine forest that changes character as you climb. You'll start in mixed hardwood and softwood stands where the canopy creates a cathedral-like atmosphere, with filtered sunlight creating shifting patterns on the forest floor. The path itself is well-established but not overly manicured, maintaining that backcountry feel that makes the 100-Mile Wilderness special.

As you gain elevation, the forest composition shifts and opens up, revealing glimpses of the surrounding landscape through the trees. The trail includes several scenic overlooks strategically positioned to give you breathing spots and preview the views that await at the summit. These natural rest stops let you appreciate the rugged character of Maine's terrain as it unfolds below you.

The sounds of the forest accompany you throughout the climb—rustling leaves responding to mountain breezes, the varied calls of woodland birds, and the occasional crack of settling timber. This acoustic backdrop reinforces the sense that you're moving through genuine wilderness rather than a managed recreation area.

Summit Views and Terrain

Fourth Mountain's summit opens up to sweeping panoramic views that justify every step of the climb. The vantage point provides a commanding perspective over Maine's wilderness landscape, with rolling forested hills extending in all directions. On clear days, the distant outline of Mount Katahdin becomes visible, connecting you visually to Maine's most iconic peak and the northern terminus of the Appalachian Trail.

The summit area itself offers enough space for groups to spread out comfortably, making it an ideal spot for an extended break or summit lunch. The exposed rock and open areas provide multiple viewpoints, so you can find your own space to take in the scenery. The elevation and exposure mean conditions can change quickly, with temperatures typically running cooler than at the trailhead and wind being a factor even on calm days below.

Flora and Fauna

The diverse ecosystem along Fourth Mountain's slopes supports a rich variety of plant and animal life typical of Maine's northern forests. The lower elevations feature mixed stands of maple, birch, and beech alongside spruce and fir, creating habitat for a wide range of bird species whose calls provide a natural soundtrack to your hike.

As you climb higher, the forest transitions toward more coniferous species adapted to the cooler, windier conditions near the summit. This elevation-driven change in vegetation gives hikers a compressed tour of Maine's forest ecosystems within a single climb. Wildlife sightings can include various songbirds, woodpeckers, and potentially larger mammals, though the latter tend to avoid areas with regular human activity.

Planning Your Hike

The moderate difficulty rating reflects both the elevation gain and the 6 to 8 hour time commitment required for most hikers. This duration accounts for a steady but comfortable pace with time for breaks and summit enjoyment rather than a rushed ascent and descent. Starting early gives you the best chance for clear summit views and ensures you're not rushing the descent in fading light.

Sturdy hiking boots are essential given the varied terrain and potential for wet or slippery conditions, particularly in the spring and fall. The trail surface includes typical Maine elements like roots, rocks, and occasional muddy sections that require good traction and ankle support. Bringing plenty of water is crucial since there are no reliable water sources along the route, and the physical demands of the climb increase hydration needs significantly.

Weather conditions can change rapidly at elevation, so layered clothing allows you to adjust as you climb and as conditions shift. Even on warm days at the trailhead, the summit can be significantly cooler and windier. A camera or phone for photos is almost mandatory given the quality of views from the summit, but make sure batteries are charged since cold temperatures can drain them quickly.

The trail's location within the 100-Mile Wilderness means you're accessing genuine backcountry terrain where self-sufficiency and preparation matter more than on more developed hiking areas. This remoteness is part of Fourth Mountain's appeal, but it also means taking responsibility for your own safety and being prepared for changing conditions without nearby facilities or easy exit options.

Ready to go?

Everything you need to know before you go

Where?

Address
Not available
GPS coordinates
45.432451, -69.319378
Phone
Not available

Starting Point

To access the hiking trails, you can start at the trailhead located on Mountain Road. There is a parking lot available for hikers. Another option is to begin at the trailhead on Fourth Mountain Road, which also has parking facilities.

When?

Opening hours
No information
Varies by season
Best season
Fall
Spectacular colors
Best time
Early morning
Less crowded
Weather (next days)
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How much?

Entry fees
Adult
Not available
Child
What to bring?
Gear
  • Hiking shoes Essential
  • Layered clothing Essential
  • Rain jacket Essential
  • Trekking poles
  • Headlamp
Download the PDF checklist
Water & food
2L minimum
No water point on the trail
Bring energy snacks for a 4h+ hike
Good to know
Park rules
No dogs
Safety
Download the GPX before you go
Limited cellular coverage on the trail
Slippery after rain
Be careful on rocky sections
In an emergency
Emergency
911
Parking GPS
45.432451, -69.319378
Center
Not available

Hikers' opinions

4.0
15 Reviews
R5
Review 5
Mar 25, 2024
Amazing hiking destination in Maine Highlands! Fourth Mountain's 726m elevation gain provides an excellent workout spread over 6-8 hours of scenic trails. The mountain offers breathtaking views and diverse terrain that keeps the hike interesting. Easy access from either Mountain Road or Fourth Mountain Road trailheads makes this a must-visit spot.
R5
Review 5
Mar 25, 2024
Amazing trail experience in Maine! Fourth Mountain exceeded all expectations with its perfect balance of accessibility and challenge. The 726-meter elevation gain over 6-8 hours provides steady progress through diverse terrain. While parking isn't free, the investment is absolutely worth it for this incredible Highland adventure.
R4
Review 4
Mar 10, 2024
Pretty cool place. You will love for sure! :-) The Maine Highlands setting is absolutely stunning, and despite the easy difficulty rating, the 726m elevation gain provides enough challenge to keep things interesting. Multiple trailhead options on Mountain Road and Fourth Mountain Road make access convenient, though parking fees apply.
R4
Review 4
Mar 10, 2024
Pretty cool place. You will love for sure! :-) Fourth Mountain delivers exactly what outdoor enthusiasts are looking for. The 726m climb through Maine Highlands terrain offers stunning views and great exercise. Both trailhead options provide good access, and the 6-8 hour hiking time lets you fully immerse yourself in this beautiful mountain environment.
R3
Review 3
Feb 20, 2024
Nice! Fourth Mountain offers a pleasant hiking experience in the Maine Highlands region. The trail is well-marked and accessible from both Mountain Road and Fourth Mountain Road trailheads. Despite the 726m elevation gain, it's manageable for most hikers. The 6-8 hour duration allows you to really enjoy the natural beauty at a comfortable pace.

FAQ - Frequently asked questions

Everything you need to know
Easy
726.00 M
1219.00 M
2h45
No
No
The Fourth Mountain trail is rated as Easy difficulty. Despite the easy rating, the trail features 726 meters of elevation gain over 6 to 8 hours, so hikers should be prepared for a substantial climb.
The Fourth Mountain hike typically takes 6 to 8 hours to complete. The duration can vary based on your fitness level, weather conditions, and time spent enjoying the views.
The Fourth Mountain trail has an elevation gain of 726 meters. This significant elevation change provides hikers with rewarding views as they ascend through the Maine Highlands.
No, dogs are not allowed on the Fourth Mountain trail. Plan to hike without your four-legged companions on this Maine Highlands adventure.
Yes, Fourth Mountain is rated as Easy difficulty, making it suitable for beginners. However, with 726 meters of elevation gain and a 6-8 hour duration, beginners should ensure they're prepared for a longer day hike.
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Update : June 2026