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Routes
Hiking trails & Routes
United States
Illinois
Johnson County

Heron Pond and Little Black Slough Loop

Moderate

5.0

(9630)

15,896

hikers

Heron Pond and Little Black Slough Loop

02:45

10.6km

50m

Hiking

Hike the 6.6-mile Heron Pond and Little Black Slough Loop, a moderate route through ancient cypress swamps and diverse wetlands in Southern

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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1.17 km

Viewpoint

Viewpoint

B

10.6 km

End point

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Way Types & Surfaces

Way Types

7.10 km

3.55 km

Surfaces

6.98 km

3.56 km

116 m

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Elevation

Elevation

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Weather

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Today

Sunday 12 July

29°C

21°C

78 %

Additional weather tips

Max wind speed: 17.0 km/h

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Frequently Asked Questions

Is the Heron Pond and Little Black Slough Loop a single designated trail?

No, the route known as the Heron Pond and Little Black Slough Loop is not a single designated trail. Instead, it's a combination of several interconnected trails within the Cache River State Natural Area. This allows hikers to create an extended route by linking trails like the Heron Pond Trail, the Little Black Slough Trail, and the Linkage Trail.

What is the terrain like on this route?

The terrain is quite diverse. You'll experience flat sections, especially on the Heron Pond Trail with its iconic floating boardwalk through the cypress-tupelo swamp. The Little Black Slough Trail introduces more varied terrain, including floodplain forests, sandstone bluffs, and hillside glades. You'll also encounter bridges and potentially a rock ford on the Cache River, which can be challenging during high water.

What unique natural features can I expect to see?

This area is renowned for its unique wetland ecosystem. You'll walk among ancient bald cypress and water tupelo trees, some over a thousand years old, and observe their distinctive cypress knees. The floating boardwalk on the Heron Pond Trail offers an immersive experience directly into the swamp. The route also features views of the Cache River, sandstone bluffs, and diverse forest types.

What wildlife can I spot along the way?

The Cache River State Natural Area is a biodiversity hotspot, home to over 100 endangered and threatened species. Keep an eye out for migratory birds, various raptors like black vultures and barred owls, and potentially larger mammals such as bobcats and river otters. It's an excellent location for birdwatching.

What is the best time of year to hike the Heron Pond and Little Black Slough Loop?

The best time to visit is generally during the spring and fall. Spring offers lush greenery and active wildlife, while fall provides stunning foliage. Summer can be very hot and humid with more insects, and winter can bring cold temperatures, though the bare trees offer different views. Be aware that high water levels, especially after heavy rains, can make river crossings challenging or impassable, particularly on the Little Black Slough Trail.

Is the Heron Pond and Little Black Slough Loop dog-friendly?

Yes, dogs are generally allowed on trails within the Cache River State Natural Area, including this loop. However, they must be kept on a leash at all times. Please remember to pack out any waste to help preserve the natural environment.

Do I need a permit or is there an entrance fee for the Cache River State Natural Area?

No, there are no entrance fees or permits required to access the trails within the Cache River State Natural Area, including the Heron Pond and Little Black Slough Loop. It is free and open to the public during daylight hours.

Where can I park to access the Heron Pond and Little Black Slough Loop?

Access points for the various trails that make up this loop are available. For the Heron Pond Trail, parking is typically available at the Heron Pond Trailhead. For the Little Black Slough Trail, there are designated parking areas as well. It's advisable to check specific trailhead locations before your visit.

Is this route suitable for beginners or families?

The overall loop, combining the Heron Pond and Little Black Slough trails, is rated as moderate due to its length and varied terrain, including potentially challenging river crossings. However, the primary Heron Pond Trail section (about 1.5 miles) is considered easy and features a floating boardwalk, making it very suitable for beginners and families looking for a shorter, accessible experience.

Are there any notable landmarks or points of interest along the route?

Absolutely! The most famous feature is the floating boardwalk on the Heron Pond Trail, which takes you directly into the ancient cypress-tupelo swamp. You'll also cross a truss bridge over the Cache River. A short linkage trail from Heron Pond can lead you to the impressive State Champion Cherry-bark Oak Tree, a massive specimen worth seeing.

What should I bring for a hike on this loop?

Given the diverse terrain and potential for wet conditions, sturdy hiking boots are recommended. Bring plenty of water, especially during warmer months, and snacks. Insect repellent is highly advisable, particularly in the wetland areas. Binoculars for birdwatching, a camera, and sun protection are also good additions. Be prepared for potential muddy sections or high water at river crossings.

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