02:15
8.14km
140m
Hiking
The Hugg-Thomas Loop: Tunnel Topper offers a dynamic hiking experience through the forested Hugg-Thomas Wildlife Management Area, where you'll encounter a mix of rough, muddy, and steep sections alongside more accessible paths. The route winds through dense oak, hickory, and yellow poplar trees, with glimpses of the Patapsco River. It's a moderate 5.1-mile (8.1 km) hike with 452 feet (138 metres) of elevation gain, typically completed in about 2 hours and 14 minutes, making it a great option for those seeking varied terrain and a good workout.
To plan your visit, head to the Hugg-Thomas Wildlife Management Area within Patapsco Valley State Park in Sykesville, Maryland. While specific parking information isn't detailed, it's wise to arrive early, especially on weekends, as this is one of the most popular urban hiking routes in the park. Be prepared for potentially muddy conditions, particularly after rain, and ensure you have appropriate footwear for the varied terrain.
Beyond the natural beauty, this trail is rich in history. You can explore the ruins of the 19th-century Hugg mansion within the WMA, offering a unique historical landmark along your journey. The broader Patapsco Valley State Park also features other notable historical structures like the Thomas Viaduct and the Swinging Bridge, blending natural exploration with a sense of the past.
Last updated: June 9, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
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3.33 km
Highlight • Natural
Tip by
8.14 km
End point
Way Types & Surfaces
Way Types
3.56 km
2.79 km
1.75 km
< 100 m
Surfaces
3.26 km
3.15 km
1.66 km
< 100 m
< 100 m
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Elevation
Highest point (160 m)
Lowest point (110 m)
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Weather
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Today
Wednesday 15 July
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Additional weather tips
Max wind speed: 14.0 km/h
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This route was planned by komoot.
Parking for trails within the Hugg-Thomas Wildlife Management Area is typically available at designated parking lots. Look for a signboard at the parking lot, which usually displays a map of the main trails.
Yes, dogs are generally permitted in the Hugg-Thomas Wildlife Management Area. However, it's always best to keep your dog on a leash to protect wildlife and ensure a pleasant experience for all visitors. Please remember to pack out any waste.
The Hugg-Thomas Loop offers diverse scenery throughout the year. Spring and summer are excellent for seeing abundant wildflowers and lush greenery. Fall provides beautiful foliage, while winter can offer a peaceful, stark landscape. Be aware that trails can be particularly muddy after rain, especially in spring or during thaw.
Generally, there are no specific permits or entrance fees required for day-use hiking within the Hugg-Thomas Wildlife Management Area. However, it's always a good idea to check the official Maryland Department of Natural Resources website for any updated regulations or special requirements before your visit.
The terrain on this loop is quite varied and can be challenging. Expect unmaintained paths, including farm roads, dirt tracks, and grassy swaths through fields and forests. Sections can be rough, muddy, and steep, particularly on hillsides. The overall difficulty is considered moderate to difficult due to these conditions.
Given the unmaintained nature of the trails, varied terrain, and potentially steep and muddy sections, this loop might be challenging for absolute beginners. Hikers should have a moderate level of fitness and be prepared for uneven surfaces. It's not ideal for those seeking a perfectly smooth, easy walk.
Trails within the Hugg-Thomas Wildlife Management Area generally lack specific trail markers. While a map displaying main trails is usually posted at the parking lot signboard, it's recommended to use a reliable navigation app like komoot or a professionally produced map of the Patapsco Valley State Park (which includes this area) for comprehensive guidance.
The area boasts a rich mix of habitats. You'll hike through mature upland deciduous forests, blocks of conifers, and extensive fields often planted with game food crops. Seasonal streams, small wetland areas, and man-made ponds add to the natural beauty. It's an excellent spot for birdwatching, and you might also spot various other wildlife.
Yes, the route incorporates sections of several other paths. You will find yourself on parts of the Sykesville Linear Trail and the Shannon Run Path during your hike.
Yes, the Hugg-Thomas WMA holds historical significance. You can find the ruins of the 19th-century Hugg mansion on the northern parcel of the property, offering a glimpse into the area's past.
While the Hugg-Thomas WMA doesn't contain a literal tunnel to 'top,' the name 'Tunnel Topper' might be a local nickname or a reference to a specific section of the trail. If you were looking for a trail that goes over a physical tunnel, the well-known Paw Paw Tunnel Hill Trail at the Chesapeake & Ohio Canal National Historical Park offers that experience, but it is a different location.
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