Devil's Half-Acre, Ridge, and Tributary Trail Loop
Devil's Half-Acre, Ridge, and Tributary Trail Loop
3.4
(6)
43
hikers
Devil's Half-Acre, Ridge, and Tributary Trail Loop
02:34
9.20km
180m
Hiking
Embark on the Devil's Half-Acre, Ridge, and Tributary Trail Loop for a moderate hiking adventure through the Sourland Mountain Preserve. This route spans 5.7 miles (9.2 km) and involves a gentle climb, gaining 575 feet (175 metres) in elevation. You can expect to complete the loop in about 2 hours and 33 minutes, traversing enchanting woodlands and varied terrain. A highlight of the trail is encountering the unique geological formations of the Devil's Half-Acre Boulders, offering a distinct visual landmark. You will also cross well-constructed boardwalks that protect delicate wetland ecosystems, adding to the diverse experience.
Planning your visit to the Devil's Half-Acre, Ridge, and Tributary Trail Loop is straightforward. Parking is generally available at the preserve, providing easy access to the trailhead. The trail is well-blazed, making navigation simple; look for white square blazes that transition to red circle blazes. While you will find rocky sections along the path, the route typically requires no scrambling, making it accessible for most hikers.
This trail stands out for its rich natural environment within the Sourland Mountain Preserve. As you hike, keep an eye out for diverse flora and fauna, including various species of birds, amphibians, and mammals that call this area home. The geological formations, such as the Devil's Half-Acre Boulders and Roaring Rocks Boulders, are a testament to the region's unique natural history and add a distinctive character to your journey.
Last updated: April 23, 2026
Waypoints
Start point
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283 m
Sourland Mountain County Preserve
Highlight • Forest
Tip by
9.20 km
End point
Parking
Way Types & Surfaces
Way Types
8.89 km
319 m
Surfaces
8.86 km
257 m
< 100 m
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Elevation
Highest point (160 m)
Lowest point (30 m)
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Weather
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Today
Friday 8 May
18°C
5°C
11 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
What is the terrain like on the Devil's Half-Acre, Ridge, and Tributary Trail Loop?
The trail features varied and often very rocky terrain. You'll encounter a gentle climb to the summit of Sourland Mountain, along with two significant boulder fields: the Devil's Half-Acre Boulders and the Roaring Rocks Boulders. Well-constructed boardwalks also traverse wetland areas, protecting delicate ecosystems.
How long does it typically take to hike this loop?
The estimated completion time for this loop is around 2 hours and 13 minutes, though this can vary based on your pace and how much time you spend exploring the boulder fields.
Is the Devil's Half-Acre, Ridge, and Tributary Trail Loop suitable for beginners?
While considered moderate due to its rocky sections and gentle climb, it's generally accessible. It doesn't require scrambling, but energetic hikers can enjoy bouldering on the large rocks. Beginners should be prepared for uneven footing.
Are dogs allowed on the trail?
Yes, the trail is generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to preserve the natural environment for all visitors.
What natural features or landmarks will I see along the route?
The most notable features are the impressive rock formations, particularly the large boulder fields of Devil's Half-Acre and Roaring Rocks. You'll also traverse enchanting woodlands and cross wetland areas via boardwalks. The trail is located within the Sourland Mountain County Preserve, known for its diverse flora and fauna.
Are there any expansive viewpoints on the trail?
Despite the 'Ridge' in its name, the trail does not offer expansive, panoramic views from any specific points. The scenery is primarily characterized by serene woodlands and interesting geological formations.
What is the best time of year to hike this trail?
Spring and fall are ideal for hiking due to pleasant temperatures and vibrant foliage. Fall offers beautiful autumn colors, while spring brings new growth. Summer can be warm and humid, and winter hiking is possible but requires appropriate gear for potentially icy or snowy conditions on the rocky terrain.
Does the trail intersect other well-known paths?
Yes, the route incorporates sections of several official trails. You'll hike along parts of the Tributary Trail, Devils Half-Acre Trail, Ridge Trail, Texas Eastern Pipeline Trail, and Maple Flats Trail, among others, as you complete the loop.
Where can I park to access the Devil's Half-Acre, Ridge, and Tributary Trail Loop?
Parking is typically available at the main access points for the Sourland Mountain Preserve. It's advisable to check the preserve's official website or local maps for specific trailhead parking lot locations and availability, especially during peak times.
Are there any entrance fees or permits required to hike in Sourland Mountain Preserve?
Generally, there are no entrance fees or permits required for day-use hiking in the Sourland Mountain Preserve. However, it's always a good idea to check the official Mercer County Park Commission website for any updated regulations or special event requirements before your visit.
What kind of wildlife might I spot on the trail?
The Sourland Mountain Preserve is a core habitat for a diversity of plant and animal species. Hikers may observe various species of birds, amphibians, and mammals. Keep an eye out for deer, foxes, and a variety of woodland birds.