3.2
(19)
80
runners
00:38
6.17km
20m
Running
Jog the moderate 3.8-mile Sag Valley Brown Unpaved Loop through wetlands and woodlands, featuring rolling hills and scenic McGinty Slough.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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1.04 km
Highlight • Lake
Tip by
6.17 km
End point
Parking
Way Types & Surfaces
Way Types
5.14 km
682 m
266 m
< 100 m
Surfaces
5.82 km
266 m
< 100 m
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Elevation
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Monday 25 May
29°C
13°C
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This route was planned by komoot.
While specific parking lots for this exact loop aren't detailed, the Sag Valley Trail System, part of the Forest Preserves of Cook County, has multiple access points. You'll typically find parking lots conveniently located near trailheads within the preserve. It's advisable to check a local map for the closest parking to your intended starting point.
No, there are no specific permits or entrance fees required to access the Sag Valley Brown Unpaved Loop, as it is part of the Forest Preserves of Cook County, which are generally free and open to the public.
Yes, dogs are generally allowed on the Sag Valley Brown Unpaved Loop. However, they must be kept on a leash at all times, and you are expected to clean up after your pet, following Forest Preserves of Cook County regulations.
The trail offers a great experience year-round, but spring and autumn are particularly scenic. Spring brings fresh greenery and blooming wildflowers, while autumn showcases vibrant foliage. Summer can be warm, so early mornings or late afternoons are best. Winter jogging is possible, but be prepared for potentially icy or snowy conditions.
The trail primarily features a mix of gravel path and packed dirt, making it suitable for jogging. You can expect varied terrain with 'rolling hills' and 'varied elevation' throughout. There are 'a few bigger hills on the east end' that add to the challenge. It's a multi-use trail, so you might share it with equestrians and cyclists.
While some sections of the broader Sag Valley system are rated 'Easy', this specific loop is often considered 'moderate' due to its 'rolling hills' and 'varied elevation'. It may require 'good fitness'. Beginners might find it challenging but manageable with a steady pace.
The loop winds through a picturesque landscape of wetlands, woodlands, and past numerous ponds and sloughs. You'll pass by McGinty Slough, a notable highlight. The area is known for its 'scenic beauty,' including 'fine upland meadows' and 'colorful autumn foliage,' offering opportunities for birdwatching and wildlife viewing.
The Sag Valley area is rich in biodiversity. You might spot various bird species, as the wider Palos region boasts sightings of over 300 bird species. Keep an eye out for other local wildlife that inhabits the wetlands and woodlands, such as deer, rabbits, and various small mammals.
After significant rainfall, some sections of the trail might accumulate standing water. While generally well-maintained, joggers should be prepared for potentially muddy or wet spots, especially in lower-lying areas.
Yes, the route is part of the extensive Sag Valley Trail System and connects to other paths within the larger Palos Trail System. Specifically, this route covers 100% of the Sag Valley Trail System and 90% of the Brown Unpaved Loop. It also briefly overlaps with sections of the Red Unpaved Trail (22%) and the Orange Unpaved Spur (6%). This connectivity offers possibilities for longer runs and further exploration.
The Sag Valley Brown Unpaved Loop is approximately 6.2 kilometers (3.9 miles) long. For an average jogger, it typically takes around 38 minutes to complete, depending on your pace and fitness level.
For those seeking an additional fitness challenge, the famous 125-step stairs at Swallow Cliffs are located on a nearby loop within the Sag Valley system (the Yellow Trail). This offers a great opportunity to extend your workout with a significant climb.