If you've already worked your way through the New Jersey day-hike checklist, this is the list for what comes next. We ranked the state's hardest trails using a composite of difficulty tag (hard or expert), distance, and elevation gain, drawing from the 15,992 mapped New Jersey trails in our database. These ten routes are reserved for hikers with the gear, the navigation skills, and the honesty about their own limits to tackle them safely.
New Jersey runs from the Highlands (Kittatinny Ridge and Wawayanda) in the northwest to the Pine Barrens and the Jersey Shore — more topographic range than the state is credited with. The full New Jersey AT in a weekend, the Highlands Trail end-to-end, and a Pine Barrens Batona winter through-walk are the tough tier. Black bears in the Highlands, timber rattlesnakes in the Pine Barrens, and ticks (Lyme is endemic) statewide.
Our rankings here are data-driven — pulled from the 15,992 mapped entries OutsideAtlas tracks in New Jersey — but the data has limits worth being honest about. A composite score weights expert and hard difficulty tags alongside total mileage and elevation gain. The result favors long, vertically aggressive routes with documented technical sections — there are surely tougher off-trail objectives in the state, but those are outside the scope of a trail directory.
The Ranking
Ranked from #1 to #10. Click through any entry for the full trail page — map, elevation profile, weather forecast, and direct OpenStreetMap source link.
#1. Algonquin Trail Path
Algonquin Trail Path sits near Pompton Lakes in Passaic County and is rated expert — our pick for the toughest trail on the list. Expect dirt surface on a expert-only grade. Local trail-association reports tend to agree this is one of the better-maintained options in the area, which matters more on a hike of this length than on a quick walk. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Algonquin Trail Path trail page →Map, elevation profile, current weather, and OSM source.#2. Hillside Scramble
Hillside Scramble sits near New Hope in Bucks County and is rated expert — the #2 entry in a roster of hikes you don't take lightly. Expect dirt surface on a expert-only grade. The route is well documented in OpenStreetMap, which is what put it on our radar — community-mapped routes tend to be the ones that get hiked enough to stay open. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Hillside Scramble trail page →Map, elevation profile, current weather, and OSM source.#3. Maritime Forest Trail
Maritime Forest Trail sits near Breezy Point in Queens County and is rated expert — the #3 entry in a roster of hikes you don't take lightly. Expect sand surface on a expert-only grade. It earns its ranking on the data, but trail conditions can change quickly after storms or fire seasons, so verify before you commit a full day. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Maritime Forest Trail trail page →Map, elevation profile, current weather, and OSM source.#4. Orange to SA Shortcut
Orange to SA Shortcut sits near Closter in Bergen County and is rated expert — the #4 entry in a roster of hikes you don't take lightly. Expect dirt surface on a expert-only grade. Compared to similar trails in New Jersey, this route trades difficulty for either solitude or scenery — sometimes both. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Orange to SA Shortcut trail page →Map, elevation profile, current weather, and OSM source.#5. Sewer Pipeline Access Path
Sewer Pipeline Access Path sits near Hazlet in Monmouth County and is rated expert — the #5 entry in a roster of hikes you don't take lightly. Expect sand surface on a expert-only grade. What makes this one earn its spot on the list is the combination of mapped detail and the kind of through-and-through experience that justifies a longer drive. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Sewer Pipeline Access Path trail page →Map, elevation profile, current weather, and OSM source.#6. Shooting Sports Trail
Shooting Sports Trail sits near Pipersville in Bucks County and is rated expert — the #6 entry in a roster of hikes you don't take lightly. Expect ground surface on a expert-only grade. Local trail-association reports tend to agree this is one of the better-maintained options in the area, which matters more on a hike of this length than on a quick walk. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Shooting Sports Trail trail page →Map, elevation profile, current weather, and OSM source.#7. Shore Road
Shore Road sits near Breezy Point in Queens County and is rated expert — the #7 entry in a roster of hikes you don't take lightly. Expect sand surface on a expert-only grade. The route is well documented in OpenStreetMap, which is what put it on our radar — community-mapped routes tend to be the ones that get hiked enough to stay open. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Shore Road trail page →Map, elevation profile, current weather, and OSM source.#8. (unmarked)
(unmarked) sits near Haverstraw in Rockland County and is rated expert — the #8 entry in a roster of hikes you don't take lightly. Tagged expert in OpenStreetMap. It earns its ranking on the data, but trail conditions can change quickly after storms or fire seasons, so verify before you commit a full day. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the (unmarked) trail page →Map, elevation profile, current weather, and OSM source.#9. Alternate Route
Alternate Route sits near Palisades in Bergen County and is rated hard — the #9 entry in a roster of hikes you don't take lightly. Expect dirt surface on a genuinely demanding grade. Compared to similar trails in New Jersey, this route trades difficulty for either solitude or scenery — sometimes both. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Alternate Route trail page →Map, elevation profile, current weather, and OSM source.#10. Appalachian Trail;1779 Trail
Appalachian Trail;1779 Trail sits near Bear Mountain in Orange County and is rated hard — the #10 entry in a roster of hikes you don't take lightly. Expect ground surface on a genuinely demanding grade. What makes this one earn its spot on the list is the combination of mapped detail and the kind of through-and-through experience that justifies a longer drive. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Best attempted by hikers comfortable with long days, route-finding when the path gets faint, and weather that can turn fast. Not a casual outing. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Appalachian Trail;1779 Trail trail page →Map, elevation profile, current weather, and OSM source.Planning your New Jersey trip
A few pieces of context are worth keeping in mind specifically for New Jersey. Spring and fall are best; summer humidity is significant; winter ice is common on Kittatinny Ridge. Black bears in the Highlands, timber rattlesnakes in the Pine Barrens, and ticks (Lyme is endemic) statewide.
Always cross-reference the official land-manager page before driving out — closures, fire restrictions, and seasonal road access can change quickly. Our trail pages link directly back to the OpenStreetMap source so you can see the tags we're working from.
If you're new to hiking generally, our beginner's guide covers footwear, layering, and the day-pack basics. For safety planning on bigger objectives, the ten essentials guide is worth twenty minutes of reading.
More New Jersey hiking guides
If you found this useful, the rest of our New Jersey coverage continues below.
- Top 10 longest trails in New Jersey — Multi-day routes and through-hikes ranked by distance.
- Steepest trails in New Jersey — Hikes with the most elevation gain in the state.
- Best beginner hikes in New Jersey — Easy, well-marked trails for first-time hikers.
- Best national parks in New Jersey — Federal parks and recreation areas ranked.
- Best waterfall hikes in New Jersey — Trails leading to named falls, ranked by accessibility.
- Best dog-friendly hikes in New Jersey — Where leashed dogs are explicitly welcome.
- Best family hikes in New Jersey — Short, easy trails sized for kids and grandparents.
Rankings like this are starting points, not verdicts. Trail conditions change, new routes get tagged, and what was the toughest trail in New Jersey last year might not be next year. We refresh these articles when the underlying data shifts meaningfully.
Got a correction, a route we missed, or a question? Drop us a note via the contact page. We read every email and we'd rather hear it from you than miss it.
