100 Mile Wilderness

Embarking on the 100 Mile Wilderness adventure is to have your name etched on the roll call of intrepid hikers. This is the pinnacle of hiking wish lists, a trek that offers as much challenge as it does splendor, snaking through the rugged mountainous spine of Maine and skirting the tranquil shores of its pristine lakes. It is the Appalachian Trail’s northernmost stretch, celebrated and daunting in equal measure.

For those who dare to dance with the wilderness, the 100-mile journey demands respect and preparation. The lessons I’ve gleaned from the trail were earned through sweat and sheer determination, and I’m here to share them.

Whether you’re a seasoned thru-hiker or a weekend warrior, this article is your compass to navigate this storied trek successfully, ensuring you savor every one of those hundred miles. Let’s gear up for a journey that’s as rewarding as it is relentless.

What is 100 Mile Wilderness?

The Appalachian Trail’s Hundred-Mile Wilderness stretches from Abol Bridge, on the outskirts of Baxter State Park, to Monson in the majestic state of Maine. This swath of untamed land is often revered as the most secluded stretch of the Appalachian Trail and poses a considerable test of navigation and endurance. Amid its wild embrace, hikers traverse a trail curated by the diligent efforts of the Maine Appalachian Trail Club, punctuated occasionally by the raw incursions of logging roads.

Enveloped in a narrow strip of conserved wilds, the Hundred-Mile Wilderness is bordered by vast expanses of both public and private domains, largely managed by the forestry industry. However, the landscape is changing, with conservation entities like the Appalachian Mountain Club and the Nature Conservancy stepping in to safeguard increasing parcels of this precious ecosystem.

In a nod to modernity and the needs of hikers, the year 2000 heralded the introduction of a series of new logging thoroughfares and a well-marked detour, offering those journeying north from Monson a welcome reprieve. Between miles 55 and 65, adventurers can now find spots to resupply and places for a comfortable night’s rest, sprinkled along the trail as a salute to both human resilience and nature’s unfettered beauty.

Best Time to Go 

The ideal window for tackling the Hundred-Mile Wilderness is from late June through July. Venture out in early June, and you’ll find yourself an unwitting participant in the black fly season – an experience most hikers would gladly skip. By August, the trails teem with life, buzzing with fellow hikers and lively groups from summer camps. This is the time when finding solace in a shelter or securing a campsite near these havens becomes a game of chance.

As autumn’s crisp air settles in September and stretches into early October, the conditions are agreeable, but the trail welcomes a surge of Appalachian Trail thru-hikers. These determined souls are in the home stretch of their epic journey, aiming to conquer Mt. Katahdin in Baxter State Park. Should you wish for shelter lodging, this popularity spike is worth considering in your plans.

Outside these recommended periods, the trail submits to the colder, wetter embrace of the off-season months.

For those intrepid spirits looking to ascend Mount Katahdin, mark your calendars: your climb must be completed by October 15th. Beyond this date, Baxter State Park transitions to daylight-only hours, and the mountain itself becomes inaccessible, cloaked in a treacherous veil of snow and ice.

Training for the wilderness

For the best hike in the Hundred-Mile Wilderness, you need to be in good shape. Make sure you can hike 10 miles every day for 10 days straight, even in hills and mountains. The path goes up and down, over rocks, and up high hills like White Cap Mountain, which is pretty tall. So, it’s important to be ready for long walks, rocky ground, steep climbs, changing weather, and walking every day without stopping.

Before you go, try some shorter hikes that last a few days. Use a hiking app to find these trails close to where you live. This way, you can walk a lot to get ready, learn how to use your hiking gear properly, and get better at hiking in different weather and on different kinds of paths.

How to Hike the 100-Mile Wilderness?

Deep in the heart of Maine, cloaked by a sprawling forest and flanked by the Appalachian Mountains, lies a stretch of wilderness that promises adventure to those daring enough to traverse it—the 100 Mile Wilderness.

This fabled section of the Appalachian Trail is both a test of endurance and a gateway to tranquility, offering a respite from the modern world. The journey I embarked upon was one of self-discovery, challenge, and the unbridled beauty of nature.

Preparation: Mapping the Route and Packing Essentials

The key to tackling the 100 Mile Wilderness is preparation. The trail is remote, without any places to resupply, and that means carrying enough food, gear, and medical supplies to last the entire trek. I meticulously planned my route, aligning my stops with the established campsites and shelters dotted along the trail.

My backpack was my lifeline, packed with a lightweight tent, a sleeping bag, a water filtration system, and a bear-proof food container. The essentials were complemented by a map, compass, and a trusty multi-tool.

Day 1-2: The Initial Stride

The journey began at the southern gate of the Wilderness near Monson, Maine. The initial excitement was palpable as I stepped into a world of towering pines and birches. The trail was rugged, an uneven tapestry of roots and rocks that demanded careful navigation. The sound of civilization faded, replaced by the melody of the forest—the whisper of leaves and the distant call of a loon.

Day 3-5: Into the Heart of Wilderness

By the third day, my muscles had begun to acclimate to the relentless undulations of the trail. Each summit offered a breathtaking vista, a reward for the toil. I encountered moose tracks by a serene pond and even caught a fleeting glimpse of a bald eagle soaring high above.

Nights were a profound silence, with a blanket of stars above. The simple routine of setting up camp, cooking a modest meal, and reflecting by a small fire became a meditation.

Day 6-7: The Test of Resilience

The true test came as I approached the halfway mark. Fatigue set in, and the weight of my pack seemed to double. I trudged through muddy patches that clung to my boots like reminders of the challenge I had undertaken.

But the wilderness taught resilience. I learned to rest, to listen to my body, and to respect the ebb and flow of the terrain. A dip in a crystal-clear brook, the encouragement of fellow hikers, and the promise of stories to tell propelled me forward.

Day 8-9: The Final Stretch

As the final days approached, there was a sense of urgency mixed with a reluctance for the experience to end. The end of the trail was drawing near, and with it the return to a world buzzing with technology and schedules.

But the wilderness had imparted its wisdom—there was no room for rush here, only the moment to savor. The majestic sight of Mount Katahdin in the distance was a beacon of accomplishment.

Frequently Asked Questions (FAQs)

What is the best time of year to hike the 100 Mile Wilderness?

The ideal time to hike the 100 Mile Wilderness is from late spring to early fall, typically from late May through October.

July and August offer the warmest weather, but these months can also be quite busy. September is a favorite for many hikers as the fall colors are spectacular and the bug population diminishes.

How long does it take to hike the 100 Mile Wilderness?

The time it takes to hike the 100 Mile Wilderness varies greatly depending on individual pace, weather conditions, and the amount of weight being carried. Most hikers take between 7 to 10 days to complete the trek. It’s essential to plan for a pace that suits your level of experience and fitness.

Do I need a permit to hike the 100 Mile Wilderness?

Last update, no permit is required to hike the 100 Mile Wilderness. However, it’s important to check the latest information from the Appalachian Trail Conservancy or the local ranger station for any changes in regulations before your hike.

Are there any resupply points along the 100 Mile Wilderness?

There are no resupply points within the 100 Mile Wilderness itself. Hikers need to carry all their supplies from the start or arrange for a service to do a mid-trail resupply, which is usually done at one of the logging roads that cross the trail.

Can I camp anywhere along the trail, or are there designated campsites?

While there are many designated campsites and shelters along the trail, the principles of Leave No Trace recommend using established sites to minimize impact. Stealth camping (camping outside of designated areas) is generally discouraged to preserve the trail’s natural state.

Is it safe to hike the 100 Mile Wilderness alone?

Many people do hike the 100 Mile Wilderness alone. However, because it is a remote area, it is recommended that solo hikers have experience with backcountry skills and navigation. Regardless of experience, all hikers should inform someone of their plans and expected return.

What kind of wildlife might I see in the 100 Mile Wilderness?

The 100 Mile Wilderness is rich with wildlife. You may encounter moose, black bears, deer, beavers, various bird species including the iconic loon, and many smaller mammals and amphibians. Always keep a safe distance from wildlife and never feed animals.

How difficult is the 100 Mile Wilderness?

The 100-mile wilderness is considered one of the most challenging sections of the Appalachian Trail due to its remoteness, rugged terrain, and the need to carry several days’ worth of supplies. It’s recommended for experienced hikers who are prepared for significant elevation changes and potentially difficult weather conditions.

What are the main safety concerns I should be aware of?

The primary safety concerns include unpredictable weather, difficult terrain that can lead to injuries, the potential for wildlife encounters, and the necessity of being self-sufficient. Adequate preparation, a well-thought-out plan, and the right gear are critical for a safe journey.

Do I have cell phone service in the 100 Mile Wilderness?

Cell phone service is extremely limited and unreliable in the 100 Mile Wilderness. Hikers should not depend on cell phones for navigation or emergency communication. Instead, consider bringing a satellite communication device and a good map and compass—and know how to use them.


Completing the 100 Mile Wilderness was more than a physical journey; it was a pilgrimage. I emerged at the northern terminus, my boots caked in mud, my face sun-kissed and my spirit rejuvenated.

The wilderness did not conquer; it embraced and taught. The lessons of the trail lingered long after—the importance of preparation, the strength found in quiet determination, and the profound peace that comes from disconnecting and tuning into nature.