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Routes
Hiking trails & Routes
United States
Illinois
Cook County

Sag Valley Tan, Yellow, and Purple Loop

Easy

2.5

(26)

68

hikers

Sag Valley Tan, Yellow, and Purple Loop

01:28

5.49km

50m

Hiking

Embark on an easy hike along the Sag Valley Tan, Yellow, and Purple Loop, a route that winds for 3.4 miles (5.5 km) through varied landscapes. You'll encounter unpaved paths and crushed limestone sections, leading you into lush forested areas and across open meadows. The trail offers a gentle ascent,…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

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Waypoints

A

Start point

Parking

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1

3.05 km

Forty Acre Woods

Highlight • Forest

Forty Acre Woods is actually a 57-acre area with miles of unpaved trails that connect with the Palos Trail System. In the fall, this area offers a stunning sight as the trees begin to change colors.

Tip by

2

5.35 km

Swallow Cliff Woods features views from 100-foot tall bluffs that you can earn via a number of trails. One of the main attractions in the park is the big staircase …

Tip by

B

5.49 km

End point

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Way Types & Surfaces

Way Types

4.66 km

474 m

353 m

Surfaces

4.08 km

608 m

392 m

347 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Thursday 7 May

14°C

1°C

26 %

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Max wind speed: 23.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it take to hike the Sag Valley Tan, Yellow, and Purple Loop?

This specific route is about 5.5 kilometers (3.4 miles) long and typically takes around 1 hour and 30 minutes to complete at a steady hiking pace. Keep in mind that the broader Sag Valley trail system offers much longer options if you wish to extend your adventure.

What is the terrain like on this loop?

The terrain is varied, featuring mostly unpaved paths, including sections of crushed limestone and gravel. You'll hike through lush forested areas, rolling hills, and open meadows. While generally easy, some parts, like the area around the Swallow Cliff Stairs and Bluff View, can be more challenging with steps and inclines. Appropriate footwear is recommended due to potential sharp rocks in some areas.

Is the Sag Valley Forest Preserve dog-friendly?

Yes, the trails within the Sag Valley Forest Preserve are generally dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to help keep the trails enjoyable for everyone and protect the local wildlife.

What can I see along the route?

This loop offers diverse scenery. You'll pass through dense woodlands, including the beautiful Forty Acre Woods, and enjoy rolling hills. A notable feature is the Swallow Cliff Stairs and Bluff View, which provides panoramic vistas. Keep an eye out for wildlife; the area is known for birdwatching, deer, squirrels, and various wildflowers in spring.

What is the best time of year to hike this trail?

The Sag Valley trails are beautiful year-round. Spring brings vibrant wildflowers, while summer offers lush greenery. However, many find the fall particularly stunning when the foliage displays brilliant golds, oranges, and reds. Winter hiking is also possible, especially for cross-country skiing, but be prepared for colder conditions.

Does this trail intersect with other paths?

Yes, this route is part of the larger Sag Valley Trail System. It incorporates significant sections of the Yellow Loop and the Purple Trail, and also briefly touches upon the Brown Trail and Green Unpaved Trail, offering connections to a broader network of paths within the Palos Preserves.

Do I need a permit or pay an entrance fee for the Sag Valley Forest Preserve?

No, there are typically no entrance fees or permits required for hiking the trails within the Forest Preserves of Cook County, including the Sag Valley area. It's free to enjoy these natural spaces.

Where can I park to access this loop?

This specific Komoot tour starts from the Swallow Cliffs Sledding Hill area. There is parking available there, which provides convenient access to the beginning of the loop.

Is this loop suitable for beginners or families with children?

Rated as 'easy' on Komoot, this 5.5 km loop is generally suitable for beginners and families. While there are some inclines and the famous 125-step staircase at Swallow Cliff Woods can be a workout, the overall distance and elevation gain are manageable. Just be sure to wear appropriate footwear.

Are there any facilities like restrooms or water along the trail?

While the trail itself is primarily natural, facilities like restrooms and water fountains are typically available at major trailheads and visitor centers within the larger Sag Valley Forest Preserve system. It's always a good idea to carry your own water, especially on longer hikes.

What makes the Sag Valley area unique?

The Sag Valley area is part of the Palos Preserves, which is the largest concentration of preserved land in the Forest Preserves of Cook County, spanning 15,000 acres. It's an important ecological restoration site, offering excellent opportunities for wildlife viewing and experiencing delicate woodland and prairie wildflowers. The area also boasts the iconic 125-step staircase at Swallow Cliff Woods, a popular spot for outdoor exercise.

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