4.9
(1757)
5,104
runners
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
Start point
Parking
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5.12 km
Highlight • Lake
Tip by
7.14 km
Highlight • Summit
Tip by
8.15 km
Highlight (Segment) • Trail
Tip by
13.8 km
End point
Parking
Way Types & Surfaces
Way Types
13.6 km
165 m
Surfaces
13.7 km
< 100 m
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Elevation
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Monday 11 May
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This route was planned by komoot.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.