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Running trails & routes
United States
New Hampshire
Hillsborough County

Loop Trail

Moderate

3.1

(10)

94

runners

Loop Trail

00:43

6.78km

70m

Running

Jog the moderate 4.2-mile Loop Trail in Horsehill Nature Preserve, gaining 242 feet over varied forest terrain in about 43 minutes.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

1.36 km

Loop Trail

Highlight (Segment) • Trail

As the name implies, the Loop Trail does a loop around the Horse Hill Nature Preserve. It passes by several ponds and lakes and is mostly flat. It is a …

Tip by

2

5.25 km

Horsehill Nature Preserve

Highlight • Forest

Horsehill Nature Preserve is the largest open space property in the Town of Merrimack. It is very popular for trail running, hiking and mountain biking. There are several miles of trails to choose from.

Tip by

B

6.78 km

End point

Parking

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Way Types & Surfaces

Way Types

6.57 km

206 m

Surfaces

6.78 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Today

Friday 26 June

24°C

16°C

80 %

Additional weather tips

Max wind speed: 13.0 km/h

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Frequently Asked Questions

Where can I park to access the Loop Trail?

Access to the Loop Trail is typically found within the Horsehill Nature Preserve. Look for designated parking areas at the preserve's main entrance or trailheads. Specific parking details are usually available on the preserve's official website or at the entrance.

Is the Loop Trail suitable for beginners?

Rated as 'moderate' difficulty, the Loop Trail offers a good challenge without being overly strenuous. With an elevation gain of approximately 74 meters over its 6.78 km distance, it's manageable for beginners who are reasonably fit and looking to step up their jogging routine from flatter paths.

What is the terrain like on this route?

The terrain on the Loop Trail can be varied, typical of a nature preserve. While specific details aren't provided, trails in such areas often feature a mix of packed earth, some rocky sections, and potentially roots. It's designed for jogging, so expect a surface that requires attention to footing, offering a more engaging experience than paved paths.

What can I see along the route?

The trail itself is a highlight, known as the Loop Trail. As it winds through the Horsehill Nature Preserve, you can expect picturesque natural scenery, including forests and potentially views characteristic of the Merrimack, New Hampshire area. Keep an eye out for local flora and fauna.

Does the trail intersect other well-known paths?

Yes, the route incorporates sections of several other trails within the preserve. You will find yourself on parts of the Loop Trail, Blodgett Hill Summit Trail, Blodgett Hill Bypass (●), Long Pond View Trail, Rocky Trail, Twister Trail, Long Pond Bypass, Ledges Trail, Northside Trail, Horse Hill Summit Trail, White Pine Swamp Trail, Outer Ledges Trail, Fat Cat Down (Plumbers Crack), Old Kings Highway, Climb To Pipeline, Plumber Trail, Quarry Trail, and East Slope Trail (Pain Cave).

Is the Loop Trail dog-friendly?

Dogs are generally welcome on trails within nature preserves like the Horsehill Nature Preserve. However, it is crucial to check the specific regulations for the preserve regarding leash requirements and waste disposal to ensure a pleasant experience for all visitors and to protect the local wildlife.

Do I need a permit or pay an entrance fee for the Horsehill Nature Preserve?

While many nature preserves are free to access, some may require permits for certain activities or charge a small entrance fee to support maintenance. It's advisable to check the official website for the Horsehill Nature Preserve before your visit to confirm any current permit requirements or entrance fees.

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

The best time to jog the Loop Trail largely depends on your preference for weather and trail conditions. Spring and fall often offer pleasant temperatures and beautiful foliage. Summer can be enjoyable, but be mindful of heat and humidity. Winter jogging is possible, but expect potentially icy or snowy conditions, which would require appropriate gear and caution.

What should I wear for jogging on this trail?

Given the 'moderate' difficulty and varied terrain, wear comfortable athletic clothing appropriate for the weather. Sturdy trail running shoes with good grip are recommended to handle potential roots, rocks, or uneven surfaces. Layers are always a good idea, especially during shoulder seasons, to adapt to changing temperatures.

Are there any specific safety considerations for this route?

As with any trail, be aware of your surroundings. The varied terrain means you should watch your footing for roots, rocks, and uneven ground. Carry water, especially on warmer days, and inform someone of your plans. While not explicitly stated, wildlife encounters are possible in a nature preserve, so maintain a respectful distance.

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