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Routes
Hiking trails & Routes
Howard County
Ellicott City

Thru Trail, Lower Thru Trail and Blasphemy Climb

Routes
Hiking trails & Routes
Howard County
Ellicott City

Thru Trail, Lower Thru Trail and Blasphemy Climb

Moderate

2

hikers

Thru Trail, Lower Thru Trail and Blasphemy Climb

02:16

8.47km

100m

Hiking

Embark on a moderate hiking adventure along the Thru Trail, Lower Thru Trail, and Blasphemy Climb, a route that spans 5.3 miles (8.5 km) with an elevation gain of 320 feet (98 metres). This trail offers a diverse experience through woodlands, leading you to scenic views of the Patapsco River,…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Get Directions

1

461 m

New Woodstock Trailhead

Highlight • Rest Area

2

2.23 km

Views of Patapsco River

Highlight • River

The Patapsco River is a 39-mile river that flows into the Chesapeake Bay, notably running through the city of Baltimore.

Tip by

4.56 km

Beach

Beach

4

8.44 km

Former Bridge Site

Highlight • Structure

Other than the defunct end of what was a bridge, there is no other sign of a bridge.

Tip by

B

8.47 km

End point

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Way Types & Surfaces

Way Types

7.96 km

505 m

Surfaces

8.03 km

407 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 (130 m)

Lowest point (70 m)

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Weather

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Today

Monday 25 May

24°C

15°C

63 %

Additional weather tips

Max wind speed: 7.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access this trail?

The most convenient access point for this route is the New Woodstock Trailhead. Parking is available there, providing a good starting point for your hike.

Are there any fees or permits required to hike this route in Patapsco Valley State Park?

Yes, as this route is located within Patapsco Valley State Park, standard park entrance fees apply. These can vary, so it's always a good idea to check the official Maryland State Parks website for the most current information on fees and any specific regulations before your visit.

Is this trail suitable for beginners?

This route is rated as 'moderate' overall. The 'Lower Thru Trail' section is considered intermediate/difficult but can be a good challenge for novice hikers. However, the 'Blasphemy Climb' section is rated 'Hard' and is primarily designed for advanced mountain biking, featuring steep and rugged terrain. Beginners should be prepared for challenging sections, especially on the Blasphemy Climb.

What is the terrain like on this route?

The terrain is quite varied. Expect typical Patapsco Valley State Park landscapes, including woodlands and river views. The Lower Thru Trail section is mostly dirt, with some rocky outcrops and moderate inclines. The Blasphemy Climb, however, is known for its steep, relentless climbs and can be rugged, with leaves potentially obscuring the path and occasional downed trees.

What can I see along the route?

You'll enjoy diverse scenery, including beautiful wooded areas and scenic Views of Patapsco River. You'll also pass by a Former Bridge Site, adding a touch of historical interest to your hike.

Is this route dog-friendly?

Patapsco Valley State Park generally allows dogs on trails, provided they are kept on a leash. Always ensure your dog is under control and that you clean up after them to help keep the park enjoyable for everyone.

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

Spring and fall are generally the most popular times to hike in Patapsco Valley State Park, offering pleasant temperatures and beautiful foliage. Summer can be hot and humid, while winter can bring icy conditions, especially on steeper sections like Blasphemy Climb. Always check weather conditions before heading out.

Does this trail intersect with other well-known paths?

Yes, this route utilizes sections of several other trails within the park. You'll find yourself on parts of the Patapsco Traverse (north hiking), Patapsco Traverse (north mtb), Patapsco Howard County Thru Trail, Patapsco Alt HoCo Thru Trail, and Patapsco Traverse (south hiking).

Is this a loop trail or an out-and-back?

This specific route, 'Thru Trail, Lower Thru Trail and Blasphemy Climb,' is designed as a loop, bringing you back to your starting point.

What's the difference between the 'Thru Trail' and 'Lower Thru Trail' sections?

The 'Thru Trail' often refers to the interconnected system of trails within Patapsco Valley State Park. The 'Lower Thru Trail' is a specific, named section within this system, known for being about 2.6 miles long with an intermediate/difficult rating, offering a good challenge for hikers. The broader 'Thru Trail' system encompasses various sections with differing difficulties.

What should I know about the 'Blasphemy Climb' section?

The 'Blasphemy Climb' is a particularly challenging part of this route. It's primarily known as a 'Black Diamond' mountain biking trail, meaning it features steep, relentless climbs and potentially rugged, obstacle-filled terrain. Hikers should be prepared for a strenuous ascent and careful footing, especially when leaves cover the trail.

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