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Hiking trails & Routes
United States
Pennsylvania
Franklin County

Charcoal Hearth Trail Loop

Moderate

2.9

(4)

84

hikers

Charcoal Hearth Trail Loop

02:00

6.78km

190m

Hiking

Hike the 4.2 miles (6.8 km) Charcoal Hearth Trail Loop in Caledonia State Park, featuring steep climbs, historical charcoal hearths, and a w

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

385 m

Conocheague Creek

Highlight • River

Take a break in the wonderful, wildly romantic river with lots of benches

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2

3.02 km

Charcoal Hearth Trail

Highlight (Segment) • Trail

The Charcoal Hearth Trail in the Caledonia State Park is known for its historical significance. The trail takes you through remnants of 19th-century charcoal hearths used in iron production and perfectly combines a nice hike through the forest with historical insights.

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6.78 km

End point

Parking

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Way Types & Surfaces

Way Types

5.41 km

733 m

481 m

130 m

< 100 m

Surfaces

5.79 km

512 m

450 m

< 100 m

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Elevation

Elevation

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Highest point (450 m)

Lowest point (280 m)

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Charcoal Hearth Trail Loop start, and what are the parking options?

The trail is located in Caledonia State Park. The main trailhead is typically accessed from the park's main parking areas. Specific parking details can often be found on the official Pennsylvania DCNR website for Caledonia State Park.

Is the Charcoal Hearth Trail Loop dog-friendly?

Yes, dogs are generally permitted on trails within Pennsylvania State Parks, including the Charcoal Hearth Trail Loop. They must be kept on a leash no longer than six feet and under physical control at all times. Please remember to clean up after your pet.

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

Spring and fall are often considered the best times to hike this trail. In spring, you'll see new growth and potentially wildflowers, while fall offers vibrant foliage. Summer can be pleasant, but be prepared for warmer temperatures and potential humidity. Winter hiking is possible but requires appropriate gear for potentially icy or snowy conditions, especially on the steeper sections.

Are there any permits or entrance fees required for hiking in Caledonia State Park?

No, there are typically no entrance fees or permits required for day-use hiking on trails within Pennsylvania State Parks like Caledonia State Park. However, fees may apply for specific amenities such as camping or swimming pools.

How long does it take to hike the Charcoal Hearth Trail Loop?

The loop is approximately 6.8 kilometers (4.2 miles) long and typically takes around 2 hours to complete. However, due to its moderate difficulty, including a steep initial climb, your actual hiking time may vary depending on your fitness level and how often you stop to enjoy the scenery or read historical markers.

What is the terrain like on the Charcoal Hearth Trail Loop?

The terrain is varied and can be challenging. It starts with a paved surface before quickly transitioning to dirt. You'll encounter a steep initial climb with wooden steps, reaching the summit of Graefenburg Hill. The path includes sections with rocks and roots, uses switchbacks on the descent, incorporates an old wagon road, and crosses a stream via a footbridge.

What natural features and historical points of interest can I expect along the route?

The trail offers a blend of natural beauty and historical significance. You'll find a small waterfall near the beginning and enjoy peaceful forest views, including huge white pine trees, especially at the top of Graefenburg Hill. The most notable features are the remnants of 19th-century charcoal hearths, crucial for iron production, with historical signs providing educational context. You'll also pass by Conocheague Creek.

Is this trail suitable for beginners?

This trail is generally rated as moderate to intermediate in difficulty. It features a strenuous initial climb of nearly a mile, gaining approximately 500-557 feet in elevation. While not extreme, it requires good physical fitness and is considered more difficult than average for a casual hiker. Beginners with some hiking experience and good stamina might manage it, but those new to hiking may find it challenging.

Does the trail connect with other hiking paths?

Yes, the route intersects with several other paths within Caledonia State Park. While primarily following the Charcoal Hearth Trail, sections of the loop also utilize parts of the Midland Trail, Trolley Trail, and even briefly touches the Appalachian Trail.

What makes the Charcoal Hearth Trail Loop unique within Caledonia State Park?

This trail is distinguished as the longest and most rugged in Caledonia State Park, offering a substantial challenge. Its unique historical significance lies in guiding hikers through well-preserved remnants of 19th-century charcoal hearths, providing a tangible link to the region's industrial past. The diverse terrain and a small waterfall also add to its distinct character.

What should I pack for a hike on this loop?

Given the trail's moderate difficulty and varied terrain, it's advisable to wear sturdy hiking shoes. Bring plenty of water, especially during warmer months, as there is no potable water source directly on the trail. Snacks, a map or GPS device (like komoot), and a first-aid kit are also recommended. Depending on the season, consider layers of clothing and insect repellent.

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