2.6
(11)
45
hikers
01:02
4.00km
20m
Hiking
The O'Hara Woods Preserve loop offers a delightful and easy hike through a surprisingly diverse natural landscape in Romeoville, Illinois. You'll wander along wide gravel paths, dirt trails, and boardwalks, passing through rich forests of sugar maple and red oak, and over wetlands that come alive with skunk cabbage and…
Last updated: June 9, 2026
Waypoints
Start point
Parking
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788 m
Highlight (Segment) • Trail
Tip by
3.07 km
Highlight • Forest
Tip by
4.00 km
End point
Parking
Way Types & Surfaces
Way Types
3.27 km
402 m
230 m
< 100 m
Surfaces
3.42 km
402 m
< 100 m
< 100 m
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Elevation
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Monday 6 July
28°C
19°C
21 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
Parking is available at the O'Hara Woods Preserve trailhead. The preserve is located in Romeoville, and specific parking areas are usually well-marked at the main entrances. Check the Forest Preserve District of Will County website for detailed directions and parking lot locations.
Yes, this loop is considered easy and is suitable for all fitness levels, including beginners and families. The trails are a mix of wide gravel paths, paved sections, boardwalks, and narrower dirt paths that are generally smooth and free of significant obstacles.
The preserve offers beauty year-round, but spring is particularly spectacular. Late April to early May is the best time to see the forest floor carpeted with Virginia bluebells and other wildflowers. Summer provides lush greenery and shade, while autumn brings vibrant foliage.
Yes, dogs are generally welcome on the trails at O'Hara Woods Preserve. However, they must be kept on a leash at all times to protect the wildlife and natural habitats. Please remember to clean up after your pet.
No, there are typically no permits required or entrance fees to access O'Hara Woods Preserve. It is managed by the Forest Preserve District of Will County and is open to the public for recreational use.
The terrain is varied but generally easy. You'll encounter wide gravel paths, some paved sections, and boardwalks, especially through wetland areas. There are also narrower dirt paths winding through the woods, which are mostly free of roots and rocks, making for a smooth walk.
The preserve is an ecological gem, featuring forests, wetlands, and a portion of the historic Lily Cache Slough. You'll see diverse trees like sugar maple and red oak. It's renowned for its spring wildflowers, especially Virginia bluebells. Wildlife is abundant, with frequent sightings of deer, squirrels, red foxes, and a wide variety of migratory birds, particularly in spring.
The main loop, which is about 4 kilometers (2.4 miles), typically takes around 1 hour to complete at a moderate hiking pace. You can extend your walk by connecting to additional trails managed by the Village of Romeoville.
The primary highlight is the O’Hara Woods Nature Trail itself, which guides you through diverse habitats. The entire O'Hara Woods Preserve is a highlight, particularly for its status as an Illinois Nature Preserve protecting a rare maple prairie grove and its spectacular spring wildflower displays.
Yes, despite its suburban location in northern Will County, O'Hara Woods Preserve is often described as an 'urban oasis.' It provides a profound sense of escape and a valuable natural retreat for local residents, offering a rich natural experience close to developed areas.
Historically known as 'Dynamite Woods,' the preserve has remnants of its past use for dynamite storage during World War II. You can still find partially visible old bunker foundations and roads within the preserve, adding a unique historical layer to your hike.
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