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Running trails & routes
United States
Maine
Piscataquis County

Katahdin & Knife Edge loop

Hard

4.9

(1757)

5,104

runners

Katahdin & Knife Edge loop

02:39

13.8km

1,150m

Running

The Katahdin & Knife Edge loop presents a truly rugged jogging experience, covering 8.6 miles (13.8 km) with an intense 3767 feet (1148 metres) of elevation gain. This difficult route is less about running and more about navigating highly technical terrain, featuring significant boulder-hopping and rock scrambling. You will find yourself using your hands often, almost climbing in sections, as you traverse the challenging landscape. Despite the strenuous effort, the views are expansive, showcasing panoramic vistas of Baxter State Park. Look out for the deep glacial cirque of Chimney Pond, nestled among 2000-foot granite walls. Expect a demanding 2 hours and 39 minutes to complete this journey.

Planning your visit to Katahdin & Knife Edge loop requires careful preparation. This trail is not suitable if you lack significant hiking experience or have a fear of heights. The Knife Edge itself is famously narrow, with steep drops on both sides, demanding your full attention. Baxter State Park has strict conservation rules, so you will need advance reservations for parking, which often book up months ahead. It is crucial to avoid this route during bad weather, as high winds, rain, or lightning can make conditions extremely dangerous. Always check park conditions before you go.

This route stands out as one of the most challenging in the region, known for its extreme terrain rather than a typical jogging path. Many sections require full contact with the rocks, making it a tactical climb. The phenomenal scenery, with uninterrupted vistas of lakes and surrounding mountains, rewards your strenuous effort. This trail is a test of endurance and skill, set within the stunning natural environment of Baxter State Park.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Baxter State Park

Waypoints

A

Start point

Parking

Get Directions

1

5.12 km

Chimney Pond and Campground

Highlight • Lake

Chimney Pond is a beautiful pond with a campground at the foot of Mount Katahdin. You get great views over the water to the dramatic cliffs above. This is a great spot to eat a snack and admire the views.

Tip by

2

7.14 km

This is the northern end of the famed 2,135 mile Appalachian Trail. It ends at the highest of three peaks on Mount Katahdin: Baxter Peak at 5,268 feet. It is also the tallest mountain in the state of Maine. Katahdin literally means Greatest Mountain. Around the mountain, you can find black bear, deer, moose, a unique butterfly called Katahdin Arctic and lots of birds.

A famous hike is the so-called Knife´s Edge between Baxter Peak an Pamola Peak. Don´t underestimate the weather on Katahdin, it can be dangerous with slippery passages when snowed on or if sight is limited. Trails may be closed for periods due to weather and winter conditions during October and November. AT hikers should complete their Katahdin summit hike before October 15.

Tip by

3

8.15 km

The Knife Edge Trail

Highlight (Segment) • Trail

The legendary Knife Edge Trail on Mount Katahdin is a iconic part of the Appalachian Trail and Katahdin itself. The Knife Edge Trail is a serious, but spectacular endeavor. The trail consists of a narrow and exposed ridge that stretches for about 1.1 miles, connecting Baxter Peak to Pamola Peak. You must traverse a rocky path with steep drops on either side, and in some sections, the trail narrows to just a few feet wide. The terrain is rugged, featuring boulders and knife-edged rocks, requiring careful footing and, in some instances, your hands for balance. The trail offers breathtaking views of the surrounding landscape, making it a sought-after but demanding adventure for experienced adventurers.

Tip by

B

13.8 km

End point

Parking

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Way Types & Surfaces

Way Types

13.6 km

165 m

Surfaces

13.7 km

< 100 m

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Elevation

Elevation

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Weather

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Wednesday 8 July

26°C

14°C

-- %

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Frequently Asked Questions

Is the Katahdin & Knife Edge loop suitable for jogging or running?

No, despite what some initial data might suggest, the Katahdin & Knife Edge loop is absolutely unsuitable for jogging or running. It is consistently described as an 'extreme' and 'very strenuous' route, featuring highly technical and rugged terrain that requires significant boulder-hopping, rock scrambling, and even 'tactical climbing' in places. Attempting to run this trail would be extremely dangerous and is not recommended.

What is the terrain like on this trail?

The terrain is exceptionally rugged and technical. Expect extensive boulder-hopping and rock scrambling, often requiring 'full contact (hands and feet) with the rocks' rather than typical walking. The route involves steep ascents and descents over jagged boulders, with some sections being more of a climb than a hike. The Knife Edge Trail itself is a narrow ridge, only three to four feet wide in places, with precipitous drops of 1,500 to 2,000 feet on either side. Many portions are above the treeline, exposing you to the elements.

How difficult is the Katahdin & Knife Edge loop?

This trail is exceptionally difficult and considered one of the most challenging hikes in the United States. It is not recommended for those without significant hiking experience, especially if you have a fear of heights. The path involves Class 2 and Class 3 terrain, particularly in areas like the notch after Pamola Peak, which demands descending and ascending a steep cliff face. Careful foot placement and steady nerves are essential.

What are the key scenic highlights along the route?

The scenery is breathtaking. From the exposed ridges, you'll get 'insane views in all directions' and 'sweeping panoramic views' of Baxter State Park. Key highlights include uninterrupted views of lakes and surrounding mountains, as well as the deep glacial cirque of Chimney Pond and Campground, enclosed by 2000-foot granite walls. In season, the lower sections can offer vibrant fall foliage.

Do I need a permit or reservation to hike Katahdin?

Yes, Baxter State Park enforces strict conservation rules. You will need mandatory advance reservations for parking and sometimes camping, which are often booked months in advance. It's crucial to plan well ahead to secure your spot.

Where does the trail start and what about parking?

The Katahdin & Knife Edge loop typically starts from trailheads like Roaring Brook Campground. Parking is extremely limited and requires advance reservations through Baxter State Park. These reservations are highly sought after and often booked months in advance, so plan accordingly.

What is the best time of year to hike the Katahdin & Knife Edge loop?

The best time to hike is generally late summer to early fall (August to September) when the weather is most stable and the trail is free of snow and ice. However, conditions can change rapidly. It is explicitly warned against hiking in inclement weather, such as high winds, rain, or lightning, as conditions can become extremely dangerous.

Are dogs allowed on the Katahdin & Knife Edge loop or in Baxter State Park?

No, dogs are generally not permitted on trails in Baxter State Park, including the Katahdin & Knife Edge loop. Baxter State Park has strict regulations to protect its wilderness character and wildlife, and this includes a ban on pets on trails.

What makes this trail so notable or iconic?

This trail is legendary for several reasons. It features the Knife Edge Trail, a truly breathtaking geological phenomenon. Mount Katahdin – Appalachian Trail Northern Terminus (Baxter Peak) is the highest point in Maine and marks the northern end of the 2,200-mile Appalachian Trail, making it a bucket-list destination for many hikers.

Does the trail intersect other well-known paths?

Yes, the route incorporates sections of several official trails. You'll traverse parts of the Chimney Pond Trail, Helon Taylor Trail, Cathedral Trail, and the iconic Knife Edge Trail. It also briefly touches the Appalachian Trail near the summit of Mount Katahdin.

What should I pack for this hike?

Given the extreme difficulty and exposure, you should pack for a strenuous alpine environment. Essential items include sturdy hiking boots with excellent ankle support, plenty of water (there is no reliable water source on the Knife Edge itself), high-energy snacks, rain gear, extra layers of clothing (even in summer), a headlamp, a first-aid kit, and a map and compass or GPS device. Be prepared for rapidly changing weather conditions.

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