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Hiking trails & Routes
United States
Maryland
Baltimore County

Gunpowder South and Highland Trail Loop

Easy

5.0

(4015)

12,071

hikers

Gunpowder South and Highland Trail Loop

01:50

6.53km

130m

Hiking

This easy 4.1-mile loop in Gunpowder Falls State Park offers diverse woodlands, river views, and a visit to Prettyboy Dam.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

39 m

Prettyboy Dam

Highlight • Monument

Prettyboy Dam is damming up 19 billion gallons at Prettyboy Reservoir. The reservoir provides more than 60% of Baltimore's drinking water and is owned by the city of Baltimore even though it's in the county.

Tip by

2

3.96 km

Highland Trail

Highlight (Segment) • Trail

Highland Trail is located in the Hereford Area of Gunpowder Falls State Park. It serves as an inland connection between the two parts of Gunpowder South Trail along the river of the same name and makes it a loop.

Tip by

B

6.53 km

End point

Parking

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Way Types & Surfaces

Way Types

5.38 km

841 m

264 m

< 100 m

Surfaces

5.87 km

346 m

264 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (190 m)

Lowest point (120 m)

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Weather

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Today

Wednesday 15 July

38°C

21°C

0 %

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Max wind speed: 15.0 km/h

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Frequently Asked Questions

How long does it take to hike this loop?

This particular loop is approximately 6.5 kilometers (4 miles) long and typically takes around 1 hour and 50 minutes to complete at a moderate hiking pace. Keep in mind that factors like your fitness level, the number of stops you make, and trail conditions can affect your overall time.

What is the difficulty level of this trail?

The Gunpowder South and Highland Trail Loop, as mapped, is considered an easy hike. It features about 131 meters (430 feet) of elevation gain, making it suitable for most hikers, including families. While some sections might have varied terrain, it doesn't present significant technical challenges.

Is the trail dog-friendly?

Yes, dogs are generally welcome on trails within Gunpowder Falls State Park, including this loop. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to pack out any waste.

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

The trail is enjoyable year-round, but spring and fall offer particularly scenic experiences. In spring, you'll find wildflowers blooming, and in fall, the mixed hardwoods provide vibrant foliage. Summer offers ample shade from the dense forests, while winter can be beautiful with snow, though some sections might be icy or muddy.

Are there any fees or permits required to access Gunpowder Falls State Park?

Gunpowder Falls State Park generally has a day-use service charge for vehicles, especially during peak season or at certain access points. It's always best to check the official Maryland Department of Natural Resources website for the most current information on entrance fees, operating hours, and any specific regulations for the area you plan to visit.

What kind of terrain can I expect on the loop?

The loop offers diverse terrain, including sections through dense woodlands, rolling hills, and paths that meander along the Gunpowder River. You'll encounter a mix of single and doubletrack paths, with some rocky areas that require careful footing and occasional small stream crossings. The varied landscape keeps the hike engaging.

What are the main points of interest along the way?

This route offers serene views of the Gunpowder River and passes by the historic Prettyboy Dam. You'll also hike along sections of the Highland Trail, which provides a pleasant woodland experience. Keep an eye out for remnants of Maryland's early industrial activity, such as old mills, offering a glimpse into the region's past.

Does this trail connect to other paths?

Yes, this loop utilizes sections of several official trails within Gunpowder Falls State Park. You'll hike along portions of the Gunpowder South Trail (white) and the Highland Trail. The Gunpowder South Trail, in particular, is a major artery that connects to numerous other trails, offering flexibility for longer or customized routes if you wish to explore further.

What wildlife might I see while hiking?

The diverse ecosystems along the trail provide opportunities to spot local wildlife. You might encounter deer, various bird species, and occasionally foxes. The cold waters of the Gunpowder River also create a prime habitat for species like trout, which you might spot if you're lucky.

Where can I park to access this loop?

Specific parking information for this exact loop would depend on the chosen trailhead. However, access points for Gunpowder Falls State Park, particularly those leading to the Gunpowder South and Highland Trails, typically have designated parking areas. It's advisable to check a detailed map or navigation app for the most convenient parking near your intended starting point.

Is this trail suitable for families with children?

Given its 'easy' difficulty rating, moderate length, and varied terrain, this loop is generally well-suited for families with children. The shaded woodlands and river views provide an engaging environment. Just be mindful of the rocky sections and small stream crossings, which might require a bit more attention for younger hikers.

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