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Routes
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…

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 …

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 …

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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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Today

Monday 11 May

12°C

2°C

0 %

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Max wind speed: 10.0 km/h

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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.

Nearby routes

Hard

4

Katahdin & Knife Edge loop

02:39h

13.8km

1,150m

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