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United States
Missouri
St. Louis County

Grotpeter Trail

Moderate

4.7

(3019)

17,787

runners

Grotpeter Trail

00:38

5.06km

80m

Running

This moderate 3.1-mile jogging route on the Grotpeter Trail in Castlewood State Park offers varied terrain and creek views.

Last updated: February 26, 2026

Waypoints

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Start point

Parking

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1

1.73 km

Grotpeter Trail

Highlight (Segment) • Trail

This is a great woodland trail for running. There are some gentle inclines and declines throughout to keep the legs working, and really beautiful fall colours if visiting in the …

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5.06 km

End point

Parking

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Way Types & Surfaces

Way Types

4.77 km

305 m

Surfaces

4.77 km

210 m

< 100 m

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Elevation

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Highest point (180 m)

Lowest point (130 m)

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Monday 19 October

22°C

3°C

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Frequently Asked Questions

What is the difficulty level of the Grotpeter Trail for jogging?

The Grotpeter Trail is generally considered moderate, but some sections are quite challenging, making it lean towards intermediate/difficult. You'll encounter a mix of terrain, including a mellow climb that transitions into a steeper switchback, followed by good rolling trail. Notable challenges include 'Cardiac Hill' with its steep, rooted downhill and rutted climb, and a section known as 'the roller coaster' with winding paths and small ups and downs. Expect big rocks and tree roots in places.

Is the Grotpeter Trail suitable for beginner joggers?

While the trail has sections of 'good rolling trail and hard pack,' its overall difficulty, including features like 'Cardiac Hill' and rocky descents, might be challenging for absolute beginners. It's best suited for joggers with some experience looking for a varied and engaging workout. There are options to adjust the length with shortcuts, which could make it more manageable for those building endurance.

What kind of terrain will I encounter on this route?

You'll experience a diverse range of terrain. The trail features a mix of hard-packed dirt, rolling sections, and more technical areas with big rocks and tree roots. Be prepared for elevation changes, including a steep switchback climb, a challenging descent down 'Cardiac Hill' on large jagged rocks, and winding paths through wooded areas.

Are dogs allowed on the trail?

Yes, dogs are welcome on the trail! Please ensure your dog remains on a leash at all times to ensure a safe and enjoyable experience for everyone.

What is the best time of year to jog the Grotpeter Trail?

The trail offers enjoyable natural surroundings throughout the year. During the fall, you can experience running on dry, crunchy leaves, though vivid colors might be missed if you visit too late in the season. Spring and early summer offer lush greenery, while winter can provide a unique, quieter experience. Always check local conditions before you go.

What are the parking options for the Grotpeter Trail?

The Grotpeter Trail is located within Castlewood State Park. Parking is available within the park itself. It's advisable to arrive early, especially on weekends, as the park is popular among trail runners and mountain bikers.

Are there any fees or permits required to access Castlewood State Park or the trail?

As of current information, there are typically no entrance fees for Castlewood State Park, which hosts the Grotpeter Trail. However, it's always a good idea to check the official Missouri State Parks website for the most up-to-date information on any potential fees or regulations before your visit.

Does the trail intersect with other paths?

Yes, the route intersects with and runs concurrently with several other trails within Castlewood State Park. You'll find sections that overlap with the White Connector 2, Lone Wolf Trail, White Connector 4, White Connector 5, White Connector 3, White Connector 1, Connector Trail, White Connector 6, Riverscene Trail, and River Scene Trail.

What kind of scenery and wildlife can I expect to see?

While not known for dramatic vistas, the trail offers pleasant natural surroundings. You'll jog through wooded areas, sometimes opening up to views from higher elevations. The trail also runs along the banks of Kiefer Creek, where you might spot local wildlife coming to drink. Keep an eye out for various birds and small mammals common to Missouri woodlands.

Are there any shortcuts or ways to adjust the length of the route?

Yes, the Grotpeter Trail offers flexibility in its length. There are shortcuts available that can reduce the typical 3.75-mile stretch to around 3 miles, allowing you to tailor your run to your desired distance or energy level.

What is 'Cardiac Hill' and what should I know about it?

'Cardiac Hill' is a notable and challenging section of the trail. It features a fun, steep, and rooted downhill followed by a rutted climb. The descent itself is described as a 'steep straight descent on large jagged rocks,' so caution is advised, especially when jogging downhill. It's a key feature that contributes to the trail's intermediate/difficult rating.

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