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Routes
Hiking trails & Routes
United States
New York
Suffolk County
Smithtown

Lower River Trail

Easy

4.5

(2551)

8,171

hikers

Lower River Trail

01:08

4.32km

30m

Hiking

Hike the easy 2.7-mile Lower River Trail in Sweetbriar Nature Center, gaining 93 feet of elevation in just over an hour.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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724 m

Sweetbriar Nature Center

Nature Reserve

2.74 km

Suffolk County Park

Nature Reserve

B

4.32 km

End point

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Way Types & Surfaces

Way Types

4.07 km

250 m

Surfaces

4.11 km

215 m

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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

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Today

Wednesday 1 July

30°C

22°C

45 %

Additional weather tips

Max wind speed: 24.0 km/h

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Frequently Asked Questions

Where can I park to access the Lower River Trail?

Parking is available at the Sweetbriar Nature Center, which serves as the primary access point for this trail. The trail begins directly from the center's grounds.

Are dogs allowed on the trail?

To protect the wildlife and natural environment within the Sweetbriar Nature Center, dogs are generally not permitted on the trails. It's best to check with the nature center directly for any specific exceptions or updated policies.

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

Given its easy difficulty and short length, the trail is enjoyable year-round. Spring offers blooming flora, while autumn provides beautiful foliage. Summer is pleasant, and winter can be serene, though conditions may vary with snow or ice.

Do I need a permit or is there an entrance fee for the Sweetbriar Nature Center?

Yes, the Lower River Trail is located within the Sweetbriar Nature Center. There may be an entrance fee to access the center and its trails. It's advisable to check their official website or contact them directly for current admission fees and any specific regulations.

Is the trail suitable for beginners or families with children?

Absolutely. This trail is rated as easy, with minimal elevation changes, making it ideal for beginners, families, and those looking for a gentle outdoor experience. Its short distance also makes it manageable for younger hikers.

What is the terrain like on the Lower River Trail?

The terrain is generally flat and easy, characteristic of a nature center trail. You can expect well-maintained paths, likely through wooded areas and along the river, offering a pleasant walking surface.

Does this trail connect with other paths?

Yes, this route is fully integrated with the Long Island Greenbelt Trail. It also utilizes sections of the Lower River Trail (59%), Upper River Trail (37%), and Chipmunk Loop Trail (25%), offering options for extended exploration within the nature center.

What kind of wildlife might I see?

As the trail is within the Sweetbriar Nature Center, you have a good chance of spotting local wildlife. This often includes various bird species, small mammals like squirrels and rabbits, and possibly deer, especially during quieter times of day.

How long does it typically take to hike the Lower River Trail?

The trail is approximately 4.3 kilometers (2.7 miles) long and takes about 1 hour and 7 minutes to complete at a moderate hiking pace. This duration can vary depending on your speed and how often you stop to enjoy the surroundings.

Are there any notable viewpoints or features along the way?

While specific named viewpoints are not detailed, the trail's location within the Sweetbriar Nature Center suggests scenic river views and opportunities to observe local flora and fauna in a protected natural setting.

Is the Lower River Trail a loop or an out-and-back route?

The specific configuration can vary, but given its integration with multiple trails within the nature center, it's likely that sections can be combined to form loops, or it can be hiked as an out-and-back depending on your desired distance.

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