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Hiking trails & Routes
United States
Missouri
St. Louis County

Lone Wolf Trail Loop

Easy

4.5

(5688)

12,017

hikers

Lone Wolf Trail Loop

00:48

2.93km

50m

Hiking

The Lone Wolf Trail Loop in Castlewood State Park offers a delightful escape into nature, winding through shaded, fern-covered hillsides and along creek banks before climbing to bluffs. You will find yourself immersed in diverse flora, with opportunities to spot local wildlife like deer. The trail's standout feature is the panoramic view of the river valley from its higher points, a truly rewarding vista for such a short hike.

This easy 1.8-mile (2.9 km) loop involves 162 feet (49 metres) of elevation gain and can be completed in about 48 minutes, making it a perfect option for a quick outdoor adventure. The trail is well-marked and accessible from dedicated parking within Castlewood State Park. While generally easy, expect some sections with exposed roots and loose rocks, so wear appropriate footwear.

Historically, the trail is named after the "Lone Wolf Club," a former speakeasy from the area's resort era, with only a stone fireplace remaining as a nod to its past. This route is a great way to experience the rugged beauty of Castlewood State Park and can be linked with other popular trails like the River Scene Trail for an extended exploration of the area's natural features.

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

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1

1.07 km

Lone Wolf Trail

Highlight (Segment) • Viewpoint

The Lone Wolf Trail is right in the heart of Castlewood State Park. The trail shares a path with the Riverscene Trail very briefly near an observation deck and also offers some views of its own along the path. The loop has a number of trail intersections with other paths in the park, but they are mostly well-marked and easy to follow.

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2.93 km

End point

Parking

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Way Types & Surfaces

Way Types

2.68 km

242 m

Surfaces

2.68 km

210 m

< 100 m

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Elevation

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Weather

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Today

Sunday 28 June

34°C

23°C

19 %

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Max wind speed: 15.0 km/h

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Frequently Asked Questions

What is the actual difficulty of the Lone Wolf Trail Loop?

While some sources might rate this loop as 'easy' due to its relatively short distance, hikers should be prepared for an intermediate to difficult experience. The terrain is rugged, featuring steep climbs, rocky sections, and roots. There's a significant uphill climb, including a half-mile section with a 9% grade, and a creek crossing that often requires wading through 6 to 12 inches of water.

Where can I park to access the trailhead?

The Lone Wolf Trail Loop is located within Castlewood State Park. You can find parking within the park, and the trail typically begins with a gravel path from the main access points. Specific trailhead parking information is usually available on official park maps or at the park entrance.

Are dogs allowed on this trail?

Yes, dogs are generally permitted on trails within Castlewood State Park, including the Lone Wolf Trail Loop. However, they must be kept on a leash at all times. Please remember to clean up after your pet to help keep the park enjoyable for everyone.

What is the best time of year to hike the Lone Wolf Trail Loop?

Spring and fall offer pleasant temperatures and beautiful scenery. In winter, the lack of foliage can open up even more expansive views of the Meramec River valley. Summer can be hot and humid, so an early start is recommended if hiking during this season.

Are there any entrance fees or permits required for Castlewood State Park?

As of current regulations, there are typically no entrance fees to access Castlewood State Park itself. However, it's always a good idea to check the official Missouri State Parks website for any updated information regarding permits or special event fees before your visit.

What kind of terrain will I encounter on the loop?

Expect a natural and rugged surface. The trail consists of dirt, mud, gravel, and shifting rock. You'll navigate steep ascents and descents, rocky and rooty sections, and potentially downed vegetation. A notable feature is a creek crossing where you'll likely need to wade through water.

What are the main scenic points or viewpoints along the route?

The trail is renowned for its impressive views of the Meramec River. It often hugs the bluffs, providing panoramic overlooks of the river valley and forested bluffs. The Lone Wolf Trail itself is considered a viewpoint, offering stunning vistas.

Does this trail connect with other paths in the park?

Yes, the Lone Wolf Trail Loop is part of a larger network within Castlewood State Park. The route also passes through sections of the Grotpeter Trail and the Riverscene Trail, allowing for longer or alternative hiking options if desired.

What should I bring for a hike on this loop?

Given the rugged and varied terrain, sturdy hiking shoes with good ankle support are highly recommended. Bring plenty of water, especially on warmer days, and consider trekking poles for stability on steep or rocky sections. Insect repellent can also be useful, particularly during warmer months.

Is the Lone Wolf Trail Loop suitable for families with young children?

Due to its rugged terrain, steep climbs, and creek crossing, this trail might be challenging for very young children or those unaccustomed to strenuous hiking. It's generally better suited for older children and families with some hiking experience.

Are there any historical points of interest along the trail?

Historically, the area was home to the Lone Wolf Club, a roadhouse tavern/speakeasy during the resort era. While the club itself is long gone, you can still find the remains of a stone fireplace, offering a glimpse into the area's past.

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