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Routes
Hiking trails & Routes
United States
New Jersey
Somerset County
Griggstown

Griggstown Native Grassland Preserve Loop

Moderate

3.1

(16)

39

hikers

Griggstown Native Grassland Preserve Loop

02:38

9.68km

150m

Hiking

Hike the Griggstown Native Grassland Preserve Loop, a moderate 6.0-mile route with 490 feet of gain through unique grasslands and woodlands.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

2.36 km

Tenmile Run Mountain

Highlight • Summit

B

9.68 km

End point

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Way Types & Surfaces

Way Types

5.35 km

4.07 km

264 m

Surfaces

4.89 km

4.72 km

< 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 (90 m)

Lowest point (20 m)

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Weather

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Today

Friday 8 May

19°C

5°C

0 %

Additional weather tips

Max wind speed: 16.0 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 the Griggstown Native Grassland Preserve Loop?

While specific parking lot details are not provided, the preserve is accessible and typically has designated parking areas. It's advisable to check local park websites or mapping services for the most current trailhead parking information before your visit.

Is the Griggstown Native Grassland Preserve Loop dog-friendly?

Information regarding dog policies is not explicitly stated in the provided data. Generally, preserves like this often allow dogs on leash, but it's best to check the official John Clyde Memorial Native Grassland Preserve regulations before bringing your pet.

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

The trail offers distinct beauty throughout the year. Fall provides superb displays of fall colors in the open grasslands. In winter, after the leaves have fallen, you can gain expansive views of various ridge-lines. The preserve is also suitable for cross-country skiing and snowshoeing after significant snowfalls. Spring and summer offer vibrant native plants and birdwatching opportunities.

Are there any fees or permits required to hike in the John Clyde Memorial Native Grassland Preserve?

The provided information does not indicate any specific fees or permits required for hiking in the John Clyde Memorial Native Grassland Preserve. However, it's always a good practice to check the official preserve website for any updated regulations or requirements before your visit.

What is the terrain like on the Griggstown Native Grassland Preserve Loop?

The terrain is diverse, featuring both open meadows and mature forests. Within the grasslands, trails are generally well-constructed and smooth, though muddy spots can occur after rain. Sections like the Orange trail and those ascending to Tenmile Run Mountain are more challenging, with rocky footing and elevation changes. The Orange trail also follows Simonson Brook, offering a charming woodland experience.

What kind of scenery can I expect along the route?

Hikers can expect unique vistas across undulating meadows filled with native plants, interspersed with engaging woodland sections. The views across the grasslands are often described as stunning. From higher elevations, especially in winter, you can see various ridge-lines, including the primary Sourlands Ridge, Cushetunk, and Watchung Mountains.

Are there any specific points of interest or viewpoints?

Yes, a notable point of interest is Tenmile Run Mountain, which offers elevation and wooded sections. The preserve itself is a rare native grassland ecosystem, providing an unusual sense of expansive openness. The Orange trail also offers charming woodland sections alongside Simonson Brook.

What wildlife can be seen in the preserve?

The preserve is a haven for biodiversity, supporting sensitive species such as the New Jersey threatened Grasshopper Sparrow and Bobolink, as well as American Kestrel and eastern box turtles. You might also spot bluebird nest boxes and a barn swallow structure, enhancing birdwatching opportunities.

Does this loop connect with other trails?

Yes, the Griggstown Native Grassland Preserve Loop is part of the larger Ten Mile Run Greenway, offering connections to additional trails and natural areas. The route also passes through sections of the Canal Road, Delaware & Raritan Canal Towpath, East Coast Greenway (NJ South), 9-11 Trail (New Jersey thru route), and the Red Trail.

Is this trail suitable for beginners or families?

The grassland areas are mostly flat, making them suitable for leisurely hikes or trail running, which can be good for beginners or families. However, some sections, particularly the Orange trail and ascents to Tenmile Run Mountain, present a more moderate challenge due to rocky footing and elevation changes. The preserve's network of trails allows for customization to suit different fitness levels.

What should I bring for a hike on this trail?

Given the varied terrain and potential for muddy spots, especially after rain, waterproof shoes are highly recommended. Beyond that, standard hiking essentials like water, snacks, and appropriate clothing for the weather are advisable. Binoculars would be great for birdwatching.

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