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United States
Maryland
Washington County
Bagtown

Thurston Griggs Trail

Easy

2.6

(23)

98

hikers

Thurston Griggs Trail

01:02

2.85km

250m

Hiking

Hike the easy 1.8-mile Thurston Griggs Trail in South Mountain State Park, gaining 835 feet to panoramic views from Black Rock.

Last updated: February 26, 2026

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Waypoints

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B

2.85 km

Pogo Memorial Campsite

Highlight • Rest Area

This is a great place for camping whilst backpacking. It has lots of flat spots for tents, several fire pits, a nearby spring for filling up waters bottles and an …

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Way Types & Surfaces

Way Types

2.69 km

155 m

Surfaces

2.64 km

143 m

< 100 m

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Elevation

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Weather

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Today

Saturday 9 May

19°C

10°C

39 %

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Max wind speed: 8.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the Thurston Griggs Trail?

The komoot data suggests this trail can be completed in about 1 hour. However, due to its challenging and rocky ascent, especially on the way up to the Appalachian Trail, your actual hiking time may vary depending on your pace and how much time you spend enjoying the views. Plan for a bit longer if you're taking your time or if conditions are tricky.

What is the difficulty level of the Thurston Griggs Trail?

While komoot rates this trail as 'easy' overall, it's generally considered moderate due to a significant and challenging rocky ascent, with an elevation gain of over 250 meters (or 930 feet according to some sources). Once it connects with the Appalachian Trail, the path becomes less rocky and relatively flat. It might be challenging for beginners due to the initial climb.

Is the Thurston Griggs Trail a loop or an out-and-back route?

The Thurston Griggs Trail itself is primarily an out-and-back route. However, it serves as a crucial connector to the Appalachian Trail, allowing hikers to extend their journey and potentially create longer loop options by combining it with other sections of the AT.

Where is the trailhead for the Thurston Griggs Trail, and what are the parking options?

The trailhead for this route is uniquely situated at the end of a residential street. Specific parking details are not provided, but typically, trails starting in residential areas may have limited street parking or a small designated lot. It's advisable to arrive early, especially on weekends, to secure a spot.

What kind of terrain can I expect on the trail?

You can expect a varied terrain. The initial ascent is rocky and challenging, featuring several small water crossings and paralleling a scenic stream. Once you reach the Appalachian Trail, the footpath becomes less rocky and relatively flat. Be aware that in the fall, fallen leaves can obscure the rocky surface, making footing tricky.

What are the best viewpoints or scenic spots along the trail?

The primary scenic reward comes from the trail's connection to the Appalachian Trail. This leads to stunning overlooks like Black Rock and Annapolis Rock. From Black Rock, you can enjoy expansive 180-degree panoramic views of the Cumberland Valley, stretching up to forty miles on a clear day. The trail itself also offers peace and solitude with the soothing sounds of trickling water.

When is the best time of year to hike the Thurston Griggs Trail?

Spring and fall are generally excellent times to hike. In spring, you'll see new growth and potentially wildflowers. Fall offers beautiful foliage, but be cautious of fallen leaves obscuring the rocky terrain. 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.

Does the Thurston Griggs Trail connect to other popular hiking routes?

Yes, the Thurston Griggs Trail serves as a crucial connector to the iconic Appalachian Trail. It also intersects with sections of the Tuscalachian Loop.

Are there any notable features or facilities along the Thurston Griggs Trail?

Yes, near the top of the trail, close to the Pogo Memorial Campsite, there is a natural spring that provides a convenient water source for hikers. The trail is also named in honor of Thurston Griggs, a dedicated conservationist and Appalachian Trail supervisor.

Is the Thurston Griggs Trail dog-friendly?

Yes, the Thurston Griggs Trail is generally dog-friendly. However, given the rocky and challenging terrain, especially on the ascent, ensure your dog is accustomed to such conditions. Always keep your dog on a leash and practice Leave No Trace principles by packing out all waste.

Are there any permits or fees required to hike the Thurston Griggs Trail or enter South Mountain State Park?

The Thurston Griggs Trail is located within South Mountain State Park. Generally, there are no entrance fees for day use at Maryland State Parks, including South Mountain State Park. Permits are typically not required for day hiking on this trail. However, it's always a good idea to check the official Maryland State Parks website for any current regulations or changes before your visit.

Is there a water source available on the trail?

Yes, there is a natural spring located near the top of the trail, close to the Pogo Memorial Campsite. This can be a convenient spot to refill your water bottles, but it's always recommended to carry enough water for your entire hike, especially if you plan to extend your trip onto the Appalachian Trail.

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