Sag Valley Forest Preserve – Forty Acre Woods loop from Palos Township

If you're looking for a moderate jogging route that feels like a true escape without leaving Cook County, the Sag Valley Forest Preserve – Forty Acre Woods loop from Palos Township is an excellent choice. This 7.0-mile (11.2 km) route offers 308 feet (94 metres) of elevation gain over an estimated 1 hour and 22 minutes, providing a solid workout through varied terrain and dense woodlands, perfect for those seeking a refreshing run away from urban noise.

What to expect on Sag Valley Forest Preserve – Forty Acre Woods loop from Palos Township

Expect a journey through consistent woodland environments, particularly vibrant in summer and offering colorful autumn foliage. The terrain features rolling hills, with sections of packed dirt and gravel underfoot, and you might encounter sharp rocks in places. You'll cross bridges over creeks and pass through underpasses, some of which can have standing water after heavy rains. This route is generally considered a moderate run, suitable for those with good fitness, and offers enough hills to give you a good workout, especially on the east end.

Planning your visit

The Sag Valley trails can take you to some of the most remote areas of Cook County, offering a true escape into nature. While specific parking details for the Forty Acre Woods loop are not provided, the area is part of the extensive Palos Trail System, which typically has ample parking. The preserve is particularly stunning in the fall when the trees change colors, but offers vibrant green woodlands in the summer. Be aware that you'll be sharing these mixed-use trails with equestrians and cyclists, so practice proper trail etiquette.

Trail details

• Distance: 7.0 miles (11.2 km)
• Elevation gain: 308 feet (94 metres)
• Difficulty: moderate
• Estimated time: 1 hours and 22 minutes