3.5
(11)
49
hikers
01:02
3.48km
120m
Hiking
The Devils Half-Acre Trail offers a fascinating journey through the rugged terrain of New Jersey's Sourland Mountain Preserve. You'll navigate a woodland nature preserve filled with interesting rock formations, including the prominent Devil's Half-Acre Boulders and Roaring Rocks Boulders, which give the area its distinctive character. Despite a gentle climb to the summit of Sourland Mountain, the trail's rocky underfoot conditions make for an engaging experience, perfect for those who appreciate geology and forest immersion over expansive views.
Planning your visit to this easy 2.2-mile (3.5 km) hiking route, which typically takes around 1 hour and 1 minute to complete with 403 feet (123 metres) of elevation gain, is straightforward. The trail is located within the Sourland Mountain Preserve, which features well-maintained trails and no specific permit requirements or fees. While there are boardwalks in wet areas, sturdy footwear is recommended due to the rocky sections, and checking local weather is always a good idea before you head out.
The Sourland Mountain Preserve is a characteristic feature of New Jersey, offering diverse plant and animal species within its core habitat. The massive stone formations, particularly the Devil's Half-Acre Boulders, are not only a hiking highlight but also popular for rock climbing and bouldering, adding another layer of interest to this unique natural area. This trail is a great option if you're looking for a relatively short, easy hike with significant geological appeal.
Last updated: June 9, 2026
Waypoints
Start point
Parking
Get Directions
3.48 km
End point
Way Types & Surfaces
Way Types
3.43 km
< 100 m
Surfaces
3.47 km
< 100 m
Sign up to see more specific route details
Sign up for free
Elevation
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Today
Saturday 4 July
37°C
21°C
80 %
Additional weather tips
Max wind speed: 19.0 km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
The Devils Half-Acre Trail is generally considered an easy hike. However, sections within the Sourland Mountain Preserve, particularly those with large boulders, can be slightly technical and require careful footing. The route itself is 3.5 km long and takes about 1 hour to complete.
The trail is known for its rugged and rocky terrain, featuring a significant boulder field. You'll hike through forests, encountering interesting geologic outcrops and stream corridors. Be prepared for uneven surfaces due to the prevalence of large rocks.
The Devils Half-Acre Trail itself is primarily a linear path. However, it connects with other trails in the Sourland Mountain Preserve, allowing hikers to create various loop options by combining it with paths like the Bouldering Trail, Maple Flats Trail, Ridge Trail, and Tributary Trail.
Parking for the Devils Half-Acre Trail is available within the Sourland Mountain Preserve. Specific trailhead parking lots are usually well-marked. It's advisable to check the preserve's official website for the most current parking information and directions.
Yes, dogs are generally permitted on trails within the Sourland Mountain Preserve, including the Devils Half-Acre Trail. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other visitors.
Typically, there are no entrance fees or permits required to access the trails in Sourland Mountain Preserve, including the Devils Half-Acre Trail. However, it's always a good idea to check the official Sourland Mountain Preserve website for any updates on regulations or special events.
The trail can be enjoyed year-round. Spring offers lush greenery and blooming wildflowers, while autumn provides stunning fall foliage. Summer is popular but can be warm, and winter hiking is possible, though some sections might be icy. Weekdays are generally less crowded than weekends.
Given the rocky and uneven terrain, sturdy hiking shoes are highly recommended. Bring plenty of water, especially during warmer months, as there are no water sources directly on the trail. A map of the preserve and a first-aid kit are also good to have.
Yes, the route also passes through sections of the Bouldering Trail, the Maple Flats Trail, the Ridge Trail, and the Tributary Trail within the Sourland Mountain Preserve, offering opportunities to extend your hike.
While the trail is rated easy, the rocky and uneven sections, particularly the boulder fields, might be challenging for very young children or those not accustomed to hiking on technical terrain. Older children who are reasonably fit and enjoy scrambling will likely find it engaging.
The primary notable feature of this trail is its extensive boulder field, which creates a unique and rugged landscape. While there aren't traditional panoramic viewpoints, the interesting geologic formations and dense forest provide a scenic experience. Local legend even suggests the Devil created the boulder field by dropping rocks he was carrying!
Comments
Want to know more?
Sign up for a free komoot account to join the conversation.
Sign up for free