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ForestMatters, LLC

Big Slough Wilderness Trail

Angelina National Forest, Texas · 3 min read

Distance
8 mi
Elevation Gain
150 ft
Difficulty
moderate
Route Type
Out-And-Back
Best Season
November through March
Est. Time
4-5 hours
Dog Friendly
Yes
Kid Friendly
No
Difficulty Score
5 / 10

Trailhead Amenities

Restroom
None
Parking
Free
Cell Service
No Signal
Water
Nearby
Camping
Dispersed
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Conditions, regulations, and fees change frequently. Verify with the local ranger district before your trip. Full disclaimer

At a Glance

  • Big Slough Wilderness: 3,639 acres of federally designated wilderness in East Texas
  • Old-growth bald cypress with trunk diameters exceeding 4 feet
  • Bottomland hardwood forest among the most intact in the Texas national forest system
  • Wood ducks, herons, and prothonotary warblers in the slough habitat
  • Primitive and challenging wilderness experience in southeastern Texas
riverwildlifeold growth

Overview

Big Slough Wilderness Trail penetrates one of the most ecologically significant natural areas in the Texas national forest system, exploring 8 miles of old-growth bottomland hardwood in the 3,639-acre Big Slough Wilderness within Angelina National Forest. The wilderness protects massive bald cypress, bottomland oaks, and water tupelo in the Neches River bottomland that was never logged, giving it the ancient, primeval character of a forest that has been undisturbed for centuries.

The terrain is entirely flat, as befits a bottomland setting, but the wet conditions, vegetation density, and wilderness character make the trail a genuine challenge. November through March is the recommended window for drier conditions and manageable insect levels.

The Route

Miles 0 to 3: Trailhead to slough. The trail drops from the upland entry point to the bottomland forest within the first half mile. The character changes immediately: loblolly and longleaf pine give way to overcup oak, water hickory, and bottomland hardwood. The light dims under the denser canopy. The first cypress trees appear as the trail approaches the slough.

Miles 3 to 4: The slough. The slough itself is the core of the wilderness, with open water surrounded by ancient cypress. The visual drama of standing cypress with their massive bases and knees projecting from the water is the highlight of the hike. Wood ducks flush regularly from the slough edges.

Miles 4 to 8: Return. Return the way you came along the same bottomland route. The return trip can feel different as you move from the stillness of the slough back toward the upland edge.

When to Hike

November through March: The recommended window. Drier conditions, cooler temperatures, and minimal insect pressure.

April through October: Extreme heat and humidity, intense mosquitoes, and alligator activity. The wilderness is technically accessible but not recommended for casual visitors in this season.

What to Bring

A water filter for creek sources (many hikers carry 2 liters). DEET insect repellent rated for ticks and mosquitoes year-round in East Texas. Waterproof boots. Cell service is absent; download offline maps before visiting.

Trailhead Access

The wilderness trailhead is accessed via forest roads near the Neches River bottomland, reached from US-69 and connecting forest roads south of Lufkin. The USFS Angelina Ranger District can provide specific access directions.

Nearby

The Boykin Springs Loop is the most accessible hike in the forest at the CCC-era recreation area. The Sawmill Hiking Trail covers the longleaf restoration area. Review the Leave No Trace seven principles before entering this designated wilderness.

Trailhead Parking

Big Slough Wilderness trailhead near the Neches River bottomland. Gravel pullout. No fee.

← Back to Angelina National Forest

More Trails in Angelina National Forest

moderateout-and-back

Boykin Springs Creek Trail

7 mi250 ft gain
October through April

A 7-mile moderate out-and-back following Boykin Creek upstream from the historic recreation area through Pineywoods and bottomland hardwood in Angelina National Forest, Texas.

4 min read

easyloop

Boykin Springs Loop

2.5 mi80 ft gain
Year-round

A 2.5-mile easy loop at the historic Boykin Springs Civilian Conservation Corps recreation area in Angelina National Forest, Texas, with the spring-fed swimming hole and CCC-era stone structures.

3 min read

moderateout-and-back

Caney Creek Trail

6.5 mi180 ft gain
October through April

A 6.5-mile moderate out-and-back trail following Caney Creek through bottomland hardwood and mixed Pineywoods in the eastern unit of Angelina National Forest near Sam Rayburn Reservoir.

4 min read

easyloop

Longleaf Pine Loop

4 mi120 ft gain
October through April

A 4-mile easy interpretive loop through longleaf pine restoration areas in Angelina National Forest, East Texas, showcasing the recovery of one of America's most imperiled forest ecosystems.

4 min read

easyout-and-back

Sam Rayburn Shoreline Trail

3.5 mi60 ft gain
October through April

A 3.5-mile easy out-and-back along the Sam Rayburn Reservoir shoreline in Angelina National Forest, Texas, with lake views, fishing access, and mixed Pineywoods scenery.

3 min read

easy-moderateloop

Sandy Creek Loop

5 mi180 ft gain
October through April

A 5-mile easy-moderate loop near Sandy Creek Campground in Angelina National Forest, Texas, through mixed pine-hardwood forest with Sam Rayburn Reservoir access.

4 min read

easy-moderateloop

Sawmill Hiking Trail

5.5 mi200 ft gain
October through April

A 5.5-mile easy-moderate loop through longleaf pine restoration areas and mature East Texas Pineywoods in Angelina National Forest, one of the most educational hiking experiences in the Texas national forests.

3 min read

Frequently Asked Questions

What makes the Big Slough Wilderness special?
The Big Slough Wilderness is one of two federally designated wilderness areas in the Texas national forest system. It protects a 3,639-acre section of Neches River bottomland and the Big Slough creek system with old-growth bald cypress and bottomland hardwood that was never logged. Wilderness designation protects the area from mechanized access and timber management, ensuring the old-growth character is preserved.
How difficult is the Big Slough Wilderness Trail?
The trail earns its moderate rating primarily from the distance (8 miles), the bottomland terrain (potentially muddy and requiring attention to footing near the slough), and the wet season creek crossings rather than from any sustained climbing. The wilderness character means the trail is less maintained than developed recreation trails. November through March when the bottomland is drier is the recommended season.
Are alligators present in the Big Slough Wilderness?
Yes. Alligators are present in the slough and associated water bodies. They are most active from March through October. Maintain distance from any alligator. The wilderness character means you are sharing the slough with the full suite of native wildlife, including alligators.