Major Trails
There are 46 mountain peaks and ridges, 18 of which exceed an elevation of 3,000 feet, the highest being Baxter Peak at 5,267 feet. The Park is intersected by about 175 miles of trails. The information contained in this brief introduction to the park is not adequate for extended hiking or climbing. For your safety, do not leave the Park Tote road without a detailed map of the area to be traversed. Maps may be obtained at Campgrounds, Millinocket Headquarters, or the Visitor center at Togue Pond.
| Applalachian Trail | Park line to Katahdin Stream | 4.95 | |
| Abol Trail | Abol To Thoreau Spring | 2.76 | |
| Hunt Trail | Katahdin Stream to Baxter Peak | 5.19 | |
| The Owl Trail | Katahdin Stream to the Owl | 3.00 | |
| O.J.I. Trail | Perimeter road to O.J.I. | 2.71 | |
| Sentinel Mt. Trail | Kidney Pond to Sentinel Mt. | 2.60 | |
| Doubletop Mt. Trail | Nesowadnehunk to Kidney Pond | 7.80 | |
| Marston Trail | Slide Dam to North Brother | 4.24 | |
| Freezeout Trail | Webster Lake Outlet to Second Lake Matagamon | 9.0 | |
| Second Lake Matagamon to Trout Brook Farm | 6.1 | 15.10 | |
| Wadleigh Brook Trail | Tote Road to Hudson Pond Lean-to | 8.50 | |
| Hudson Pond Lean-to to Jct. Freezeout Trail | 2.00 | ||
| Jct. Freezeout Trail to Webster Lake Outlet | 3.25 | 13.75 | |
Wadleigh Notch Trail  in
1999 |
A one mile dead- end trail extending from the Wadleigh Brook trail (approx. 1.8 mi. from the Tote Road Trailhead) to the edge of the Boody Brook Natural Area (Old Growth). | 2.80 | |
| Center Mt. Trail | Nesowadnehunk Field to Center Pond | 4.7 | |
| Center Pond to Center Mountain Lean-to | 1.7 | ||
| Center Mt. Lean-to to Little Wassataquoik | 2.9 | 9.30 | |
| Wassataquoik Lake Trail | Russell Pond to Wassataquoik Lake | 2.70 | |
| Wassataquoik lake to Little Wass. Lake Lean-to | 2.80 | 5.50 | |
| Trout Brook Mt. Trail | Trout Brook Farm to Trout Brook Mt. | 1.30 | |
| Horse Mt Trail |
Perimeter Road to Horse Mt. Tower (Notice, the Tower has been Removed) |
1.35 | |
| Fowler Pond Trail | Perimeter Road to Fowler Pond | 2.00 | |
| Middle Fowler Trail | So. Branch Pond to Middle Fowler Pond | 4.10 | |
| So. Branch Falls Trail | So. Branch Pond Road to the Falls | .43 | |
| So. Branch Mt. Trail | So. Branch Pond to Pogy Notch trail via Black Cat Mt. | 4.06 | |
| North Traveler Trail | So. Branch Pond to North traveler | 2.55 | |
| Center Ridge Trail | Pogy Notch Trail To the Traveler | 1.75 | |
| Pogy Notch Trail | So. Branch Pond to Russell Pond | 9.61 | |
| Lookout Trail | Russell Pond Campground to the Lookout Ledge | 1.25 | |
| Grand Falls Trail | Russell Pond to Grand Falls via Inscription Rock | 2.75 | |
| Russell Pond Trail | Russell Pond to Roaring Brook | 7.00 | |
| Howe (north) Peaks Trail | Russell Pond to Hamlin Peak | 6.85 | |
| Northwest Basin Trail | Russell Pond to the Saddle Trail | 7.96 | |
| So. Turner Mt Trail | Roaring Brook To S. Turner Mt. via Sandy Stream Pond | 2.00 | |
| Whidden Pond Trail | Sandy Stream Pond to Whidden Pond | .90 | |
| Helon Taylor Trail | Roaring Brook to Pamola | 3.16 | |
| Knife Edge Trail | Pamola to Baxter Peak | 1.10 | |
| Chimney Pond Trail | Roaring Brook to Chimney Pond | 3.30 | |
| Dudley Trail | Chimney Pond to Pamola | 1.25 | |
| Cathedral Trail | Chimney Pond to Baxter Peak | 1.70 | |
| Saddle Trail | Chimney Pond to Baxter Peak | 2.17 | |
| Hamlin Ridge Trail | Chimney Pond to Hamlin Peak | 1.95 | |
| North Basin Trail | Chimney Pond Trail to No. Basin Ponds | 1.25 |